GATE EE purpose:exam-prep PYQs & Answers — Page 15

Questions 141–150 of 715. Imported answers require independent review unless marked reviewed.

Topic practice 715 questionsPage 15 of 72

Which one of the following matrices has an inverse?

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The number of junctions in the circuit is

Diagram for Electrical Engineering question 12

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All the elements in the circuit are ideal. The power derived by the 10 V source in watts is

Diagram for Electrical Engineering question 13

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100

dependent on the value of

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The circuit shown in the figure with the switch

open, is in steady state. After the switch

is closed, the time constant of the circuit in seconds is

Diagram for Electrical Engineering question 14

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1.25

1.5

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Suppose signal

is obtained by the time-reversal of signal

, i.e.,

. Which one of the following options is always true for the convolution of

and $y(t)?

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It is an even signal.

It is an odd signal.

It is a causal signal.

It is an anti-causal signal.

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is the unit step function, then the region of convergence (ROC) of the Laplace transform of the signal

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A three phase, 50 Hz, 6 pole induction motor runs at 960 rpm. The stator copper loss, core loss, and the rotational loss of the motor can be neglected. The percentage efficiency of the motor is

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Which one of the following options represents possible voltage polarities in a single phase two winding transformer? Here,

is the applied primary voltage,

is the induced primary voltage,

is the open circuit secondary voltage, and

is the induced secondary voltage.

Your answerChoose one option.

Diagram for Electrical Engineering question 18

Diagram for Electrical Engineering question 18 (figure 2)

Diagram for Electrical Engineering question 18 (figure 3)

Diagram for Electrical Engineering question 18 (figure 4)

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The figure shows the single line diagram of a 4-bus power network. Branches

, and

have impedances

, and

per-unit (pu), respectively, where

, with

and

. The current drawn from each load (marked as arrows) is equal to

pu, where

. If the network is to operate with minimum loss, the branch that should be opened is

Diagram for Electrical Engineering question 19

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For the block-diagram shown in the figure, the transfer function

Diagram for Electrical Engineering question 20

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GATE EE purpose:exam-prep PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20