GATE 2021 : Toppers Quiz 27 (App update required to attempt this test)

The slew rate of an op-amp is 5 V/μ sec. Which of the following frequency produces distorted output

Bode magnitude plot of a minimum phase unity feedback system with all real zeros and poles is given below

Which of the following statements are correct?

In the following circuit, initially flipflop is cleared. If input clock frequency is f_o then frequency at output is:

Consider following statements about Induction Machines, and choose the correct option(s):

Consider a 3-Փ transmission line that is being supported by 3-discs insulators. The potential across the middle unit is 12 kV and near to the tower is 10 kV. The string efficiency is ________%.

In the given circuit, the thyristor is fired at an angle π/4 in every positive half-cycle of the input ac voltage. The average power across the load (in KW) will be

The daily Energy produced in Thermal Power Station is 480 MWh at a load factor of 0.5. What is the maximum demand of the station (in MW)?

A current of -10 + 5sin ( is passed through a centre zero PMMC meter and a moving iron instrument what is the reading shown by both the meters?

Consider the following circuit. The voltage across capacitor V _c at t = 4 sec is _________ V

If 50-ohm, external resistance is added in field circuit for 20 kW, 300V dc shunt motor that is driving constant load torque with live current of 100 A at 1600 rpm.

After addition of external resistance, motor is running at___ rpm

Take; motor armature resistance = 0.02 ohm; motor filed winding resistance = 100 ohm

For the given figure, having R_A = 6 kΩ, R_B = 3.5  kΩ and C = 0.2 μF. Choose the correct option(s)?

The voltage regulation in percentage for 0.8 load power factor at full load for 20 KVA, 400V 50 Hz (3 phase ),Y connected synchronous generator having effective armature resistance/phase = 0.5Ω and synchronous reactance/ phase = 3Ω is ______

Given the characteristic equation of a system

A 8×1 multiplexer is used to realize a four variable function f (A, B, C, D) = ∑m (0, 2, 4, 6, 7, 9, 14, 15), A is taken as MSB and it is used as the input to multiplexer. The select Line inputs are given supply from variables B, C, D, where B is at the MSB and D is at the LSB of the select Line, then input to the MUX from I₀ to I₇ respectively are

If two points P(2, 2, 4) & Q(3, 30°, 5), then find the distance between the point P & Q.

If the current passed through a Resistor, the average power (in Watts) absorbed by the resistor ____________ (Up to two decimal)

A single die is rolled six times, the probability that the six outcomes are all different is

A 4-pole, 50 Hz, 11 kV turbo generator is operating at full load and supplying power to the load is 50 MW at 0.8 lag power factor at 10° electrical degree power angle. Its rotor has a moment of inertia of 8800 kg-m². If the load is suddenly removed assuming acceleration is constant for 8 cycles. Find the value of power angle after 5 cycles is ______ electrical degree?

Frequency of oscillation for given tank circuit will be:

In a three-phase half converter the output voltage of 70.7% of maximum possible output voltage is required. What is rectification efficiency of converter, if supply is 230V, 50Hz with load resistance 10 Ω?

For a closed loop system described by the transfer function T(s) = 25/( s² + 4s + 25 ). If a unit step input is given, then what will be the number of complete cycles in the response before it reaches steady state.

An amplifier with open – loop voltage gain A_v = 1000 + 100 is available. It is necessary to have an amplifier whose voltage gain varies by no more than + 0.1 percent. The reverse transmission factor β of the feedback network used is

A 12 kVA transformer (240V/120V) has full load unity pf efficiency of 96.2%. Consider now this transformer reconnected as an autotransformer to supply 360 V load, having 240V supply. What is efficiency at full load & 0.85 pf lag.

Consider the following equation :

x⁵+3x³+1=0, which of the following statement is correct.

A certain J-K flip-flop has t_pd = 20 nsec, the largest ‘MOD’ counter that can be constructed from cascading these flip flop’s and still operating up to 10 MHz is?