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GATE 2019: Topper Quiz 4 (App update required to attempt this test)

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Question 1

Determine the Thevenin equivalent parameters for the given network.

Question 2

What will be the Fourier coefficient a_n of the following waveform?

Question 3

The figure shown below represents root locus of a unity feedback control system.

The damping ratio of the system is (if K =1)

Question 4

A 4-bit shift register circuit configured for right shift operation is shown below. If the present state of the shift register is ABCD = 1000, the number of pulses required to reach the state ABCD = 1111 is

Question 5

In the given circuit, the silicon transistor has β = 75 and a collector voltage V_C = 9V. Then the ratio of R_B and R_C is __________.

Question 6

The figure below shows an uncontrolled diode bridge rectifier supplied form a 220 V, 50 Hz 1-phase ac source. The load draws a constant current I_o = 14 A The conduction angle of the diode D₁ in degrees is ___________.

Question 7

When a line to ground fault occurs, the current in a faulted phase is 150 A. The zero sequence current in this case will __________A

Question 8

The emf induced in a conductor of machine driven at 600 rpm, the peak value of flux density is 1 Wb/m2, diameter of machine 2 m and length of machine 0.3 m is ______ V.

Question 9

The power consumption of industry is 500kVA, at 0.8 p.f. lagging. A synchronous motor is added to raise the power factor of the industry to unity. If the power intake of the motor is 100kW. The p.f. of the motor is _________.

Question 10

The diffusion constant for electron is

. The diffusion constant for holes is

and the temp is 300K. What is the diffusion current (in Ampere) in positive x-direction. If area of cross section of crystal is 0.56 cm² and doping varies linearly of holes and electron are

respectively.

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ESE & GATE EE General

Jul 3ESE & GATE EE