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General Aptitude(10)Engineering Mathematics(12)Electric Circuits(8)Electromagnetic Fields(4)Signals and Systems(2)Electrical Machines(7)Power Systems(7)Control Systems(4)Electrical and Electronic Measurements(1)Analog and Digital Electronics(4)Power Electronics(6)

General Aptitude

10 Questions

GATE→2026→General Aptitude→Verbal Ability

Q1

MCQ[1 Mark]

In the sentence 'The shopkeeper sells lemons.', the word 'lemons' is the

(A)

object

(B)

subject

(C)

predicate

(D)

verb

Explanation

GATE→2026→General Aptitude→Quantitative Aptitude

Q2

MCQ[1 Mark]

The figure shows three non-overlapping shapes (one oval and two triangles). Which one of the figures P, Q, R, or S fits the missing portion indicated by '?'?

(A)

P

(B)

Q

(C)

R

(D)

S

Explanation

GATE→2026→General Aptitude→Quantitative Aptitude

Q3

MCQ[1 Mark]

At how many points will the curves y = x^2 and y = -x^2 - 2x - 1 intersect in the real (x, y) plane?

(A)

0

(B)

1

(C)

2

(D)

3

Explanation

GATE→2026→General Aptitude→Verbal Ability

Q4

MCQ[1 Mark]

Based on the provided paragraph regarding Anish's match performance and captaincy, which statement is true?

(A)

Anish made hundred runs but was denied captaincy.

(B)

Anish was the captain of his team before the game today.

(C)

The current captain is older than Anish.

(D)

Anish is the youngest player in his team.

Explanation

GATE→2026→General Aptitude→Quantitative Aptitude

Q5

MCQ[1 Mark]

Which one of the following figures P, Q, R, or S correctly shows the 45° clockwise-rotated version of figure (I)?

(A)

P

(B)

Q

(C)

R

(D)

S

Explanation

GATE→2026→General Aptitude→Verbal Ability

Q6

MCQ[2 Marks]

Match the words in Column I with their synonyms in Column II: Column I: (i) Lonely, (ii) Literal, (iii) Lousy, (iv) Lethal Column II: (p) Verbatim, (q) Solitary, (r) Deadly, (s) Terrible

(A)

(i)-(q); (ii)-(p); (iii)-(s); (iv)-(r)

(B)

(i)-(q); (ii)-(s); (iii)-(r); (iv)-(p)

(C)

(i)-(s); (ii)-(p); (iii)-(q); (iv)-(r)

(D)

(i)-(r); (ii)-(s); (iii)-(p); (iv)-(q)

Explanation

GATE→2026→General Aptitude→Quantitative Aptitude

Q7

MCQ[2 Marks]

In the given figure, PQ is the diameter of a circle with center O. Points R and S are on the circle with angle ROS = 80°. PR and QS extended meet at T. The value of angle RTS is

(A)

40°

(B)

50°

(C)

60°

(D)

80°

Explanation

GATE→2026→General Aptitude→Quantitative Aptitude

Q8

MCQ[2 Marks]

Based on the relationship between each polygon and the number inside it (6, 24, 120, X), the value of X is

(A)

720

(B)

596

(C)

24

(D)

240

Explanation

GATE→2026→General Aptitude→Quantitative Aptitude

Q9

MCQ[2 Marks]

Consider a linear arrangement of seven bulbs with specific transition rules applied at each step. The number of bulbs which are ON at the end of Step 8 is

(A)

5

(B)

4

(C)

3

(D)

0

Explanation

GATE→2026→General Aptitude→Quantitative Aptitude

Q10

MCQ[2 Marks]

P and Q are two positive integers such that P^2 = Q^2 + 13. The product of the numbers P and Q is

(A)

13

(B)

26

(C)

39

(D)

42

Explanation

Engineering Mathematics

12 Questions

GATE→2026→Engineering Mathematics→Differential Equations

Q11

MCQ[1 Mark]

Consider the differential equation t^2 (d^2y/dt^2) + 7t (dy/dt) + 8ty = 10 sin(t). Which statement is correct?

(A)

It is a linear differential equation

(B)

It is a nonlinear differential equation

(C)

It is a time-invariant differential equation

(D)

It is a second-order partial differential equation

Explanation

GATE→2026→Engineering Mathematics→Linear Algebra

Q12

MSQ[1 Mark]

Matrices A and B share eigenvalue 2 with the same eigenvector x. Which statements are correct?

(A)

Determinant(A - 2I) = 0

(B)

Determinant(B - 2I) = 0

(C)

Determinant(A + B - 2I) = 0

(D)

Determinant(A + B - 4I) = 0

Explanation

GATE→2026→Engineering Mathematics→Calculus

Q13

NAT[1 Mark]

Evaluate the surface integral of F(x, y, z) = sin(y) x_hat + cos(x) y_hat + 5 z_hat over the unit sphere S centered at the origin.

Explanation

GATE→2026→Engineering Mathematics→Linear Algebra

Q14

NAT[1 Mark]

For a real skew-symmetric matrix A and unit vector x, evaluate x^T A x.

Explanation

GATE→2026→Engineering Mathematics→Calculus

Q15

MCQ[2 Marks]

For the periodic waveform f(x) constructed from g(x), if the sum of third harmonic Fourier coefficients is given, find k.

(A)

1

(B)

1/2

(C)

1/3

(D)

1/4

Explanation

GATE→2026→Engineering Mathematics→Linear Algebra

Q16

MCQ[2 Marks]

For a collection of p column vectors with n real entries, which statement is always correct?

(A)

If p > n then the column vectors must be linearly dependent

(B)

If p > n then the column vectors must be linearly independent

(C)

If p = n then the column vectors must be orthogonal

(D)

If p < n then the column vectors must be linearly independent

Explanation

GATE→2026→Engineering Mathematics→Differential Equations

Q17

MCQ[2 Marks]

Solve d^2y/dx^2 + dy/dx + y = 0 with y(0) = 1, y'(0) = 1.

(A)

y(x) = exp(-x/2)(cos((sqrt(3)x)/2) + sqrt(3)sin((sqrt(3)x)/2))

(B)

y(x) = exp(-x/2)(cos((sqrt(3)x)/2) + (1/sqrt(3))sin((sqrt(3)x)/2))

(C)

y(x) = exp(-x/2)(cos((sqrt(3)x)/2) - (1/sqrt(3))sin((sqrt(3)x)/2))

(D)

y(x) = exp(-x/2)(cos((sqrt(3)x)/2) - sqrt(3)sin((sqrt(3)x)/2))

Explanation

GATE→2026→Engineering Mathematics→Linear Algebra

Q18

MSQ[2 Marks]

For a real n x n orthogonal matrix A with unit column norms, which statements are correct?

(A)

The value of the determinant of A is either +1 or -1

(B)

The eigenvalues of A have modulus 1

(C)

||Ax|| = ||x|| for all x, and (Ax)^T(Ay) != x^T y for distinct x, y

(D)

||Ax|| = ||x|| for all x, and (Ax)^T(Ay) = x^T y for all x, y

Explanation

GATE→2026→Engineering Mathematics→Linear Algebra

Q19

MSQ[2 Marks]

If Ax = b has a unique solution for square matrix A, which statements are correct?

(A)

A^{-1} exists

(B)

The system of equations A^m x = b also has a unique solution for m = 1, 2, 3...

(C)

rank(A) < rank([A|b])

(D)

rank(A) = rank(A^m)

Explanation

GATE→2026→Engineering Mathematics→Complex Variables

Q20

NAT[2 Marks]

Evaluate the magnitude of the contour integral oint_C ((z+1)^2 / ((z-i)(z-2))) dz over |z - 2 - i| = 3/2.

Explanation

GATE→2026→Engineering Mathematics→Probability and Statistics

Q21

NAT[2 Marks]

Find the value of alpha that minimizes E((X - alpha Y)^2) given expectations of X, Y, X^2, Y^2, and XY.

Explanation

GATE→2026→Engineering Mathematics→Calculus

Q22

NAT[2 Marks]

Evaluate the improper integral (1/pi) * integral from 0 to infinity of (x^2026 / ((1 + x^2026)(1 + x^2))) dx.

Explanation

Electric Circuits

8 Questions

GATE→2026→Electric Circuits→Network Elements & Solution Methods

Q23

MCQ[1 Mark]

In a circuit containing D, R, L, C, and V_DC, which option correctly identifies all the linear elements?

(A)

R only

(B)

R, L, and C only

(C)

D only

(D)

L, C, and D only

Explanation

GATE→2026→Electric Circuits→Network Elements & Solution Methods

Q24

MCQ[1 Mark]

For the given circuit, determine Thevenin's equivalent parameters V_TH and R_TH between nodes Y and Z.

(A)

V_TH = 100 V, R_TH = 10 kΩ

(B)

V_TH = 140 V, R_TH = 0 Ω

(C)

V_TH = 100 V, R_TH = 0 Ω

(D)

V_TH = 140 V, R_TH = 10 kΩ

Explanation

GATE→2026→Electric Circuits→Network Elements & Solution Methods

Q25

MCQ[1 Mark]

For the four dependent source circuits, which parameter set makes all of them physically realizable?

(A)

k1 = 1, k4 = -1/3, for all values of k2 and k3

(B)

k2 = -2, k3 = +1/3, for all values of k1 and k4

(C)

k1 = 2, k2 = 0.5, k3 = -2/3, k4 = -3

(D)

k1 = 2, k2 = -0.5, k3 = -2/3, k4 = +3

Explanation

GATE→2026→Electric Circuits→Network Theorems & AC/DC Transients

Q26

MCQ[1 Mark]

Voltage v_s = 325 sin(wt) V and current i = 12 sin(wt) + 9 sin(3wt) A are supplied to a load. Find the power factor.

(A)

1.00

(B)

0.80

(C)

0.65

(D)

0.57

Explanation

GATE→2026→Electric Circuits→Network Theorems & AC/DC Transients

Q27

MCQ[2 Marks]

Voltage is v = V_m sin(omega t) and current is i = I_m sin(omega t - theta). What is the average power dissipated over a half cycle?

(A)

0

(B)

V_m I_m cos(theta)

(C)

(V_m I_m / 2) cos(theta)

(D)

(V_m I_m / 4) cos(theta)

Explanation

GATE→2026→Electric Circuits→Network Theorems & AC/DC Transients

Q28

MCQ[2 Marks]

For the RC network with DC sources, find the capacitor voltage at t = 0+, t = 0.50 s, and t = infinity.

(A)

8.00 V, 28.00 V, 26.36 V

(B)

8.00 V, 26.36 V, 28.00 V

(C)

10.00 V, 26.36 V, 28.00 V

(D)

10.00 V, 28.00 V, 26.36 V

Explanation

GATE→2026→Electric Circuits→Network Elements & Solution Methods

Q29

MCQ[2 Marks]

Using V-I table data for a linear network, determine Norton equivalent parameters I_N and R_N.

(A)

I_N = 3.0 A, R_N = 24.0 ohm

(B)

I_N = 12.0 A, R_N = 2.0 ohm

(C)

I_N = 2.0 A, R_N = 12.0 ohm

(D)

I_N = 2.0 A, R_N = 24.0 ohm

Explanation

GATE→2026→Electric Circuits→Network Elements & Solution Methods

Q30

NAT[2 Marks]

For the given two-port network, find the load resistance R_L for maximum power transfer.

Explanation

Electromagnetic Fields

4 Questions

GATE→2026→Electromagnetic Fields→Electrostatics & Magnetostatics

Q31

MCQ[1 Mark]

A uniform ring charge of radius R carries charge Q. What is the magnitude of the force on a point charge q at its center?

(A)

Qq / (4 * pi * epsilon * R)

(B)

Qq / (4 * pi * epsilon * R^2)

(C)

0

(D)

(q / (4 * pi * epsilon * R)) * (Q / (2 * pi * R))

Explanation

GATE→2026→Electromagnetic Fields→Electrostatics & Magnetostatics

Q32

MCQ[1 Mark]

A positive point charge with velocity v = 5 x_hat enters E = 4 y_hat and B = -6 z_hat. What is correct about the force?

(A)

The force will be along the magnetic field but perpendicular to the electric field

(B)

The force will be along the electric field but perpendicular to the magnetic field

(C)

The force will be perpendicular to both electric and magnetic field

(D)

The magnetic field does not exert any force on the charge

Explanation

GATE→2026→Electromagnetic Fields→Electrostatics & Magnetostatics

Q33

MCQ[2 Marks]

For planar loop A enclosing areas a_1 and a_2 subjected to given magnetic fields B_1 and B_2, what is the induced RMS voltage?

(A)

| (a_1^2 omega^2 m^2 + 4 a_2^2 omega^2 n^2) / 4 |^(1/2)

(B)

(a_1^2 omega^2 m^2 + 4 a_2^2 omega^2 n^2) / 2

(C)

| (a_1^2 omega^2 m^2 - 2 a_2^2 omega^2 n^2) / 2 |

(D)

a_1^2 omega^2 m^2 + 2 a_2^2 omega^2 n^2

Explanation

GATE→2026→Electromagnetic Fields→Electrostatics & Magnetostatics

Q34

NAT[2 Marks]

Calculate the work done in moving a point charge through the electric field of a charged sphere and potential difference.

Explanation

Signals and Systems

2 Questions

GATE→2026→Signals and Systems→Continuous/Discrete Signals & Transforms

Q35

MCQ[1 Mark]

Consider the discrete-time sequence x[n] = 0.9^{|n|}. The region of convergence of its Z-transform X(z) is

(A)

|z| > 0.9

(B)

|z| < 0.9

(C)

0.9 < |z| < 1/0.9

(D)

{z such that |z| < 0.9} U {z such that |z| > 1/0.9}

Explanation

GATE→2026→Signals and Systems→Continuous/Discrete Signals & Transforms

Q36

MCQ[1 Mark]

Let x_c(t) be a continuous-time periodic signal with period T, sampled at T_s (T_s != T) to yield x[n]. Which statement is correct?

(A)

x[n] will always be periodic with period T/T_s for all values of T/T_s

(B)

x[n] will always be periodic with period 1 for all values of T/T_s

(C)

x[n] will never be periodic

(D)

x[n] will be periodic if and only if T/T_s is a rational number

Explanation

Electrical Machines

7 Questions

GATE→2026→Electrical Machines→Transformers & Energy Conversion

Q37

MCQ[1 Mark]

A 15 kVA, 1100 V/220 V single-phase transformer is configured as a 1.32 kV/1.1 kV autotransformer. What is its rating?

(A)

60 kVA

(B)

75 kVA

(C)

90 kVA

(D)

100 kVA

Explanation

GATE→2026→Electrical Machines→DC & AC Machines

Q38

MCQ[1 Mark]

A synchronous motor-generator set converts 50 Hz grid power to 16.67 Hz. Which combination of poles for motor and generator is suitable?

(A)

2, 6

(B)

6, 2

(C)

4, 6

(D)

6, 4

Explanation

GATE→2026→Electrical Machines→DC & AC Machines

Q39

MCQ[1 Mark]

Which statement is correct regarding the typical double-squirrel-cage structure used in induction motors?

(A)

At starting, a larger portion of the rotor current flows in the outer cage

(B)

At starting, a larger portion of the rotor current flows in the inner cage

(C)

At rated speed, most of the rotor current flows in the outer cage

(D)

The purpose of the double-squirrel-cage structure is to lower the effective rotor resistance at starting

Explanation

GATE→2026→Electrical Machines→DC & AC Machines

Q40

MCQ[1 Mark]

A synchronous generator delivers power to an infinite bus at unity p.f. If field excitation is increased, what happens to stator current, power factor, and load angle?

(A)

Stator current increases, power factor becomes lagging, load angle remains the same

(B)

Stator current decreases, power factor becomes leading, load angle remains the same

(C)

Stator current increases, power factor becomes lagging, load angle decreases

(D)

Stator current increases, power factor becomes leading, load angle increases

Explanation

GATE→2026→Electrical Machines→Transformers & Energy Conversion

Q41

MSQ[1 Mark]

A 220V/12V, 100VA, 50Hz transformer is operated in the USA at 110V, 60Hz. Which statements are correct?

(A)

No-load current drawn would be smaller for operation in the USA compared to that in India

(B)

For the same load current, the losses would be higher in the USA compared to that in India

(C)

The peak magnetic flux density in the core would be higher while operating in the USA compared to that in India

(D)

The eddy current losses in the core would be approximately 44% higher while operating in the USA compared to that in India

Explanation

GATE→2026→Electrical Machines→Transformers & Energy Conversion

Q42

MCQ[2 Marks]

Three single-phase 11kV/3.3kV transformers form a 3-phase bank with connections shown. What is the vector group?

(A)

Dd0

(B)

Dd4

(C)

Dd6

(D)

Dd10

Explanation

GATE→2026→Electrical Machines→DC & AC Machines

Q43

NAT[2 Marks]

A 3-phase induction motor runs at 1476 rpm with shorted slip rings and 1404 rpm with 0.27 ohm/phase added. Find per phase rotor resistance R_2.

Explanation

Power Systems

7 Questions

GATE→2026→Power Systems→Generation, Transmission & Load Flow

Q44

MCQ[1 Mark]

In a power system with N buses (P generator buses, Q load buses), what is the size of the Jacobian matrix in the Newton-Raphson method?

(A)

2N x 2N

(B)

(2N - 1 - P) x (2N - 1 - P)

(C)

(2N - Q) x (2N - Q)

(D)

(P + Q) x (P + Q)

Explanation

GATE→2026→Power Systems→Fault Analysis, Protection & Stability

Q45

MCQ[1 Mark]

When balanced three-phase voltage phasors undergo a common phase shift delta_theta (Case-2), what happens to their zero sequence components?

(A)

The zero sequence components in Case-1 and Case-2 have the same phase angle and magnitude

(B)

The magnitude of the zero sequence component in Case-1 is greater than that in Case-2

(C)

The magnitude of the zero sequence component in Case-2 is greater than that in Case-1

(D)

The zero sequence components in Case-1 and Case-2 have the same magnitude but different phase angles

Explanation

GATE→2026→Power Systems→Fault Analysis, Protection & Stability

Q46

MCQ[2 Marks]

Given Main CT 300:5 and auxiliary transformer YnA 2:1, find I_AR.

(A)

0 A

(B)

0.653<17.556° A

(C)

537.240<4.105° A

(D)

8.954<4.105° A

Explanation

GATE→2026→Power Systems→Fault Analysis, Protection & Stability

Q47

MCQ[2 Marks]

A reactance relay has characteristic X <= 1 ohm. What is its operating characteristic in the G-B admittance plane?

(A)

G^2 + (B + 0.5)^2 >= 1/4

(B)

B >= 1

(C)

(G - 1)^2 + B^2 <= 1/2

(D)

G^2 + (B - 1)^2 >= 1/2

Explanation

GATE→2026→Power Systems→Generation, Transmission & Load Flow

Q48

MCQ[2 Marks]

For a transformer with voltage ratio V_p/V_s = 0.866 + j0.5 and leakage admittance y_t referred to secondary, what is the Y-bus matrix?

(A)

[I_p; I_s] = [ y_t/(0.866+j0.5), -y_t/(0.866+j0.5); -y_t/(0.866+j0.5), y_t/(0.866+j0.5) ] [V_p; V_s]

(B)

[I_p; I_s] = [ y_t, -y_t; -y_t, y_t ] [V_p; V_s]

(C)

[I_p; I_s] = [ y_t, -y_t/(0.866+j0.5); -y_t/(0.866+j0.5), y_t ] [V_p; V_s]

(D)

[I_p; I_s] = [ y_t, -y_t/(0.866-j0.5); -y_t/(0.866+j0.5), y_t ] [V_p; V_s]

Explanation

GATE→2026→Power Systems→Generation, Transmission & Load Flow

Q49

MSQ[2 Marks]

For the balanced transmission line under Case-1 (Z = 0.75<0°) and Case-2 (Z = 0.75<90°), which statements regarding power losses are correct?

(A)

Real power loss in Case-1 is more than that in Case-2

(B)

Real power loss in Case-2 is more than that in Case-1

(C)

Reactive power loss in Case-1 is more than that in Case-2

(D)

Reactive power loss in Case-2 is more than that in Case-1

Explanation

GATE→2026→Power Systems→Generation, Transmission & Load Flow

Q50

NAT[2 Marks]

For economic load dispatch with given cost functions and loss formula, find the real power loss at optimal generation (Lambda = 70.25).

Explanation

Control Systems

4 Questions

GATE→2026→Control Systems→Mathematical Modeling & LTI System Analysis

Q51

MCQ[1 Mark]

The step response Laplace transform is Y(s) = 100 / (s(s+100)). Find T_r, T_s (0.98 final value), and T_c.

(A)

T_r = 0.022, T_s = 0.04, T_c = 0.01

(B)

T_r = 0.22, T_s = 0.404, T_c = 0.01

(C)

T_r = 2.2, T_s = 4.04, T_c = 1.01

(D)

T_r = 22, T_s = 40.4, T_c = 10.1

Explanation

GATE→2026→Control Systems→Stability Criteria, Compensators & Controllers

Q52

MCQ[1 Mark]

An asymptotic Bode magnitude plot has a slope of -20 dB/decade starting from omega_0. Which transfer function represents it?

(A)

G(s) = (1 + s/omega_0) / (s/omega_0)

(B)

G(s) = (s/omega_0) / (1 + s/omega_0)

(C)

G(s) = (1 + s/omega_0) / (1 - s/omega_0)

(D)

G(s) = (1 - s/omega_0) / (1 + s/omega_0)

Explanation

GATE→2026→Control Systems→Mathematical Modeling & LTI System Analysis

Q53

MCQ[2 Marks]

Given the state-space model with matrix A = [a, b; -a, 0], find a and b such that system poles are at -2 ± j3.

(A)

a = 4, b = 3.25

(B)

a = -4, b = 3.25

(C)

a = 4, b = -3.25

(D)

a = -4, b = -3.25

Explanation

GATE→2026→Control Systems→Mathematical Modeling & LTI System Analysis

Q54

MCQ[2 Marks]

Perform a state transformation using z matrix to find the new state-space representation.

(A)

z_dot = [-1 4; -1 -2]z + [4; -1]u, y = [2 3]z

(B)

z_dot = [2 3; 0 3]z + [3; 5]u, y = [2 3]z

(C)

z_dot = [4 9; -2 -3]z + [4; -1]u, y = [2 3]z

(D)

z_dot = [2 1; -4 1]z + [4; -1]u, y = [4 -1]z

Explanation

Electrical and Electronic Measurements

1 Question

GATE→2026→Electrical and Electronic Measurements→Bridges, Meters & Instrumentation

Q55

NAT[2 Marks]

In a Wheatstone bridge with P = 2000 ohm, Q = 500 ohm, R = 3000 ohm, find the value of S for bridge balance.

Explanation

Analog and Digital Electronics

4 Questions

GATE→2026→Analog and Digital Electronics→Analog Circuits, Op-Amps & Filters

Q56

NAT[1 Mark]

In the linear regulator circuit, find the maximum possible efficiency (in %).

Explanation

GATE→2026→Analog and Digital Electronics→Analog Circuits, Op-Amps & Filters

Q57

MCQ[2 Marks]

For the op-amp circuit with open-loop gain A_0 = 10^5, find the closed-loop voltage gain.

(A)

-16.67

(B)

-20.00

(C)

-21.00

(D)

-12.67

Explanation

GATE→2026→Analog and Digital Electronics→Digital Logic & Converters

Q58

MCQ[2 Marks]

For the given digital logic circuit with inputs x, y, z, find the simplified Boolean expression for OUT.

(A)

not(x) not(y) not(z)

(B)

0

(C)

not(x)(y + z)

(D)

1

Explanation

GATE→2026→Analog and Digital Electronics→Digital Logic & Converters

Q59

MCQ[2 Marks]

For the MOSFET logic circuit powered at 5 V with resistors 5 kohm and 10 kohm, find OUT expression and maximum power P.

(A)

OUT = AB + not(C), P = 5 mW

(B)

OUT = not((A + B)not(C)), P = 5 mW

(C)

OUT = AB not(C) + not(C), P = 7.5 mW

(D)

OUT = not(A)not(B)C, P = 7.5 mW

Explanation

Power Electronics

6 Questions

GATE→2026→Power Electronics→Power Semiconductor Devices & Converters

Q60

MCQ[1 Mark]

Using the diode forward characteristic graph (V_0 = 1.0 V at 0 A, 1.8 V at 50 A), calculate the power loss for a continuous 15 A current.

(A)

32.8 W

(B)

21.2 W

(C)

18.6 W

(D)

23.1 W

Explanation

GATE→2026→Power Electronics→Power Semiconductor Devices & Converters

Q61

MCQ[1 Mark]

Based on the MOSFET turn-off voltage overshoot waveforms for gate resistances R_1, R_2, R_3, which option correctly compares them?

(A)

R_1 > R_2 > R_3

(B)

R_1 > R_3 > R_2

(C)

R_3 > R_2 > R_1

(D)

R_2 > R_3 > R_1

Explanation

GATE→2026→Power Electronics→Power Semiconductor Devices & Converters

Q62

NAT[1 Mark]

Find the peak diode current for v_s = 325 sin(wt) V, L = 500 uH, R = 10 ohm.

Explanation

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Q63

MCQ[2 Marks]

In a single-phase H-bridge inverter with triangular inductor current (peak 5 A), find the RMS current through switch S1.

(A)

2.88 A

(B)

2.04 A

(C)

3.54 A

(D)

2.50 A

Explanation

GATE→2026→Power Electronics→Power Semiconductor Devices & Converters

Q64

MCQ[2 Marks]

For a boost converter operating in DCM with peak inductor current 6 A (t_1 = 10 us, t_2 = 10 us, T = 20 us), R = 10 ohm, find input voltage V_dc.

(A)

10.0 V

(B)

15.0 V

(C)

7.5 V

(D)

12.5 V

Explanation

GATE→2026→Power Electronics→Power Semiconductor Devices & Converters

Q65

NAT[2 Marks]

For a single-phase rectifier circuit with v_s = 100 sin(wt) V, V_dc = 50 V, R = 10 ohm, find the average diode current.

Explanation