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GATE 2022 Rapid Revision Quiz 3

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Question 1

The below figure shows the periodic current signal flowing through a 10 Ω resistor.

The average power dissipated by the resistor is:

Question 2

For 2^nd order system, the order of time constant

Question 3

In a rotor fed induction motor, the speed of rotor flux with respect to stator body will be ____.

Question 4

Total number of forbidden state in 4 bit BCD numbers is _____.

Question 5

A surge of 15 kV magnitude travel along a cable towards its function with an overhead line. The inductance and capacitance of the cable are 0.3 mH and 0.4

F per km respectively and those of overhead line are 1.5 mH, 0.012

F per km, respectively. The voltage rises at the function due to the surge will be ? (in kV)

Question 6

Let f(z) = (x²+y²) + i2xy and g(z) = 2xy + i(y²–x²) for z = x+iy where

. Then in the complex plane C.

Question 7

A SCR has V_g – i_g characteristics given as V_g = 2 + 10i_g. In an certain applications, the gate voltage consists of rectangular pulses of 12V and of duration of 50 μsec with duty ratio of 0.4. The value of series resistor R_g in gate circuit to limit the peak power dissipation in the gate to 5 watts is

Question 8

Find x(0) if the Z-transform of x(n) is X(z) which is equal to

and the ROC pass the unit circle.

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ESE & GATE EE General

Jan 14ESE & GATE EE