Test: GATE Electrical Engineering (EE) Previous Paper 2020 - Electrical Engineering (EE) MCQ

Non-performing Assets (MPAs) of a bank in India is defined as an asset, which remains unpaid by a borrower for a certain period of time in terms of interest, principal, or both.
Reserve Bank of India (RBI) has changed the definition of NPA thrice during 1993-2004. in terms of the holding period of loans. The holding period was reduced by one quarter each time. In 1993, the holding period was four quarters (360 days). Based on the above paragraph, the holding period of loans in 2004 after the third revision was ______ days.

Stock markets _________ at the news of the coup.

People were prohibited ________ their vehicles near the entrance of the main administrative building.

Given a semicircle with O as the centre; as shown in the figure, the ratio  is
_________ . Where  are chords.

The revenue and expenditure of four different companies P, Q, R and S in 2015 are shown in the figure. If the revenue of company Q in 2015 was 20% more than that in 2014, and company Q had earned a profit of 10% on expenditure in 2014, then its expenditure (in million rupees) in 2014 was _______.

Select the word that fits the analogy:
Do : Undo : Trust : ______

This book, including all its chapters _______ interesting. The students as well as the instructor _______ in agreement about it.

x_R and x_A are, respectively, the rms and average values of x(t) = x(t – T ), and similarly, y_R and y_A are, respectively, the rms and average values of y(t) = k x(t) ⋅ k, T are independent of t. Which of the following is true?

A double pulse measurement for an inductively loaded circuit controlled by the IGBT switch is carried out to evaluate the reverse recovery characteristics of the diode. D, represented approximately as a piecewise linear plot of current vs time at diode turn-off.
L_par is a parasitic inductance due to the wiring of the circuit, and is in series with the diode. The point on the plot (indicate your choice by entering 1. 2, 3 or 4) at which the IGBT experiences the highest current stress is ______.

The value of the following complex integral, with C representing the unit circle centered at origin in the counterclockwise sense, is:

Which of the following is true for all possible non-zero choices of integers m, n; m ≠ n. or all possible non-zero choices of real numbers p, q ; p ≠ q, as applicable?

A common-source amplifier with a drain resistance, R_D = 4.7 kΩ, is powered using a 10 V power supply. Assuming that the transconductance, g_m, is 520 µA/V, the voltage gain of the amplifier is closest to:

The Thevenin equivalent voltage, V_TH, in V (rounded off to 2 decimal places) of the network shown below, is _______ .

Consider a signal x[n] = (1/2)n 1[n], where 1[n] = 0 if n < 0, and 1[n] = 1 if n ≥ 0. The z-transform of x[n – k], k > 0 is  with region of convergence being

A single-phase, full-bridge diode rectifier fed from a 230 V, 50 Hz sinusoidal source supplies a series combination of finite resistance. R, and a very large inductance, L, The two most dominant frequency components in the source current are:

Consider the initial value problem below. The value of y at x = ln 2. (rounded off to 3 decimal places) is ________ .
dy/dx = 2x - y, y(0) = 1

A single-phase, 4 kVA, 200 V/100 V, 50 Hz transformer with laminated CRGO steel core has rated no-load loss of 450 W. When the high-voltage winding is excited with 160 V, 40 Hz sinusoidal ac supply, the no-load losses are found to be 320 W. When the high-voltage winding of the same transformer is supplied from a 100 V, 25 Hz sinusoidal ac source, the no-load losses will be _________W (rounded off to 2 decimal places).

Currents through ammeters A 2 and A 3 in the figure are 1∠10° and 1∠70° respectively. The reading of the ammeter A1 (rounded off to 3 decimal places) is ________ A.

A single-phase inverter is fed from a 100 V dc source and is controlled using a quasi square wave modulation scheme to produce an output waveform, v(t). as shown. The angle σ is adjusted to entirely eliminate the 3^rd harmonic component from the output voltage. Under this condition, for v(t), the magnitude of the 5th harmonic component as a percentage of the magnitude of the fundamental component is _______(rounded off to 2 decimal places).

Thyristor T1 is triggered at an angle α (in degree), and T₂ at angle 180° + α, in each cycle of the sinusoidal input voltage. Assume both thyristors to be ideal. To control the load power over the range 0 to 2 kW, the minimum range of variation in α is:

A sequence detector is designed to detect precisely 3 digital inputs, with overlapping sequences detectable. For the sequence (1, 0, 1) and input data (1,1, 0,1,0,0,1,1,0,1,0,1,1,0): what is the output of this detector?

A three-phase. 50 Hz. 4-pole induction motor runs at no-load with a slip of 1%. With full load, the slip increases to 5 %. The % speed regulation of the motor (rounded off to 2 decimal places) is _________ .

A lossless transmission line with 0.2 pu reactance per phase uniformly distributed along the length of the line, connecting a generator bus to a load bus, is protected up to 80% of its length by a distance relay placed at the generator bus. The generator terminal voltage is 1 pu. There is no generation at the load bus. The threshold pu current for operation of the distance relay for a solid three phase-to-ground fault on the transmission line is closest to:

ax³ + bx² + cx + d is a polynomial on real x over real coefficients a, b, c, d wherein a ≠ 0. Which of the following statements is true?

Consider a linear time-invariant system whose input r (t ) and output y (t) are related by the following differential equation.

The poles of this system are at

A three-phase cylindrical rotor synchronous generator has a synchronous reactance X_s and a negligible armature resistance. The magnitude of per phase terminal voltage is V_A and the magnitude of per phase induced emf is E_A. Considering the following two statements, P and Q.
P : For any three-phase balanced  leading load connected  across the terminals of this synchronous generator, V_A is always more than E_A.
Q : For any  three-phase  balanced  lagging load connected across the terminals of this synchronous generator, V_A is always less than E_A.
Which of the following options is correct?

Which of the following statements is true about the two sided Laplace transform?