What are the questions asked in GATE 2021 Electrical Engineering exam?

Complete set of questions from GATE 2021 EE exam covering Electrical Machines, Power Electronics, Engineering Mathematics, Power Systems, Control Systems, Signals & Systems, Electromagnetic Fields, Analog & Digital Electronics, and more with detailed solutions.

Where can I find GATE 2021 Electrical Engineering questions with solutions?

You can access the complete GATE 2021 Electrical Engineering question paper with detailed solutions on ExamPrev. All questions include step-by-step explanations.

How many questions were in GATE 2021 EE paper?

GATE 2021 Electrical Engineering paper consisted of 65 questions including MCQs, MSQs, and numerical answer type questions covering all major EE topics.

Are solutions provided for GATE 2021 EE questions?

Yes, detailed step-by-step solutions with explanations are provided for all questions from GATE 2021 Electrical Engineering paper.

Which institute conducted GATE 2021?

GATE 2021 was conducted by IIT Bombay. The exam was held in February 2021 across multiple sessions.

Which topics have highest weightage in GATE EE 2021?

In GATE EE 2021, Electrical Machines carried 11-12 marks, Power Electronics 10-11 marks, and Engineering Mathematics 13 marks, making them the highest scoring sections.

Electrical Engineering Gate 2021 Questions with Answer

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Ques 1 GATE 2021

The waveform shown in solid line is obtained by clipping a full-wave rectified sinusoid (shown dashed). The ratio of the RMS value of the full-wave rectified waveform to the RMS value of the clipped waveform is _______. (Round off to 2 decimal places.)

(1.15) is the correct answer.

Ques 2 GATE 2021

A 100 Hz square wave, switching between 0 V and 5 V, is applied to a CR high-pass filter circuit as shown. The output voltage waveform across the resistor is 6.2 V peak-to-peak. If the resistance R is 820 Ω, then the value C is _______ μF. (Round off to 2 decimal places.)

(11.95) is the correct answer.

Ques 3 GATE 2021

A three-phase balanced voltage is applied to the load shown. The phase sequence is RYB. The ratio $\\frac{|IB|}{|IR|}$ is

(1) is the correct answer.

Ques 4 GATE 2021

In the given circuit, for maximum power to be delivered to R_L, its value should be _______ Ω. (Round off to 2 decimal places.)

(2.00) is the correct answer.

Ques 5 GATE 2021

An air-core radio-frequency transformer as shown has a primary winding and a secondary winding. The mutual inductance M between the windings of the transformer is _______ μH. (Round off to 2 decimal places.)

(10.99) is the correct answer.

Ques 6 GATE 2021

For the network shown, the equivalent Thevenin voltage and Thevenin impedance as seen across terminals 'ab' is

10 V in series with 12 Ω

65 V in series with 15 Ω

50 V in series with 2 Ω

35 V in series with 2 Ω

Ques 7 GATE 2021

In the given circuit, the value of capacitor C that makes current I=0 is _______ μF.

(2 to 2) is the correct answer.

Ques 8 GATE 2021

In the given circuit, for voltage v_y to be zero, the value of β should be _______ (Round off to 2 decimal places).

(ars) is the correct answer.

Ques 9 GATE 2021

The Bode magnitude plot for the transfer function V_o(s) / V_i(s) of the circuit is as shown. The value of R is _______ Ω. (Round off to 2 decimal places.)

() is the correct answer.

Ques 10 GATE 2021

A signal generator having a source resistance of 50 Ω is set to generate a 1 kHz sinewave. Open circuit terminal voltage is 10 V peak-to-peak. Connecting a capacitor across the terminals reduces the voltage to 8 V peak-to-peak. The value of this capacitor is _______ F. (Round off to 2 decimal places.)

() is the correct answer.

Ques 11 GATE 2021

In the circuit, switch 'S' is in the closed position for a very long time. If the switch is opened at time t = 0, then i_L(t) in amperes, for t≥0 is

8e^-10t

8 + 2e^-10t

10(1-e^-2t)

Ques 12 GATE 2021

The input impedance, Z_in(s), for the network shown is

23s² + 46s + 20 / 4s + 5

6s + 4

7s + 4

25s² + 46s + 20 / 4s + 5

(d) is the correct answer.

Ques 13 GATE 2021

Consider a closed-loop system as shown. $G p (s) = ¼4.4 / s(1 + 0.1s)$ is the plant transfer function and $G c (s) = 1$ is the compensator. For a unit-step input, the output response has damped oscillations. The damped natural frequency is _______ rad/s. (Round off to 2 decimal places.)

(12.00) is the correct answer.

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