GATE EE branch:ee PYQs & Answers — Page 36

Questions 351–360 of 715. Imported answers require independent review unless marked reviewed.

Topic practice 715 questionsPage 36 of 72

In the given circuit, for voltage

to be zero, the value of β should be ______. (Round off to 2 decimal places.)

Diagram for Electrical Engineering question 16

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A 1 μC point charge is held at the origin of a cartesian coordinate system. If a second point charge of 10 μC is moved from (0, 10, 0) to (5, 5, 5) and subsequently to (5, 0, 0), then the total work done is ____ mJ. (Round off to 2 decimal place). Take

in SI units. All coordinates are in meters.

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The power input to a 500 V, 50 Hz, 6-pole, 3-phase induction motor running at 975 RPM is 40 kW. The total stator losses are 1 kW. If the total friction and windage losses are 2.025 kW, then the efficiency is ________%.

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An alternator with internal voltage of

p.u. and synchronous reactance of 0.4 p.u is connected by a transmission line of reactance 0.1 p.u to a synchronous motor having synchronous reactance 0.35 p.u and internal voltage of

p.u. If the real power supplied by the alternator is 0.866 p.u, then

is ____ degrees. (Round off to 2 decimal places.) (Machines are of non-salient type. Neglect resistances.)

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The Bode magnitude plot for the transfer function

of the circuit is as shown. The value of R is ________ Ω. (Round off to 2 decimal places.)

Diagram for Electrical Engineering question 20

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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 ______ μF. (Round off to 2 decimal places.)

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A 16-bit synchronous binary up-counter is clocked with a frequency

. The two most significant bits are OR-ed together to form an output Y. Measurements show that Y is periodic, and the duration for which Y remains high in each period is 24 ms. The clock frequency

is ____________ MHz. (Round off to 2 decimal places.)

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In the BJT circuit shown, beta of the PNP transistor is 100. Assume

V. The voltage across

will be 5 V when

is ____ kΩ. (Round off to 2 decimal places.)

Diagram for Electrical Engineering question 23

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In the circuit shown, the input

is a sinusoidal AC voltage having an RMS value of

. The worst-case peak-inverse voltage seen across any diode is _____ V. (Round off to 2 decimal places.)

Diagram for Electrical Engineering question 24

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In the circuit shown, a 5 V Zener diode is used to regulate the voltage across load

. The input is an unregulated DC voltage with a minimum value of 6 V and a maximum value of 8 V. The value of

is 6

. The Zener diode has a maximum rated power dissipation of 2.5 W. Assuming the Zener diode to be ideal, the minimum value of

is _____

Diagram for Electrical Engineering question 25

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GATE EE branch:ee PYQs

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25