GATE (Graduate Aptitude Test in Engineering) Electrical Engineering: Questions 20 - 25 of 148

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Question 20

Appeared in Year: 2012

Question

MCQ▾

The direction of vector is radially outward from the origin, with where and is a constant. The value of for which is

Choices

Choice (4)Response

a.

1

b.

0

c.

2

d.

-2

Question 21

Appeared in Year: 2013

Question

MCQ▾

A voltage Volts is applied across YZ. Assuming ideal diodes, the voltage measured across WX in Volts is

Diodes in Forward and Reverse Bias

Choices

Choice (4)Response

a.

b.

c.

d.

0 for all

Question 22

Appeared in Year: 2013

Question

MCQ▾

The curl of the gradient of the scalar field defined by is

Choices

Choice (4)Response

a.

b.

c.

d.

0

Passage

In the circuit shown, the three voltmeter readings are .

Thevenin Equivalent

Question 23 (1 of 2 Based on Passage)

Appeared in Year: 2012

Question

MCQ▾

The power factor of the load is

Choices

Choice (4)Response

a.

0.50

b.

0.60

c.

0.55

d.

0.45

Question 24 (2 of 2 Based on Passage)

Appeared in Year: 2012

Question

MCQ▾

If , the approximate power consumption in the load is

Choices

Choice (4)Response

a.

700 W

b.

850 W

c.

750 W

d.

800 W

Question 25

Appeared in Year: 2013

Question

MCQ▾

Three capacitors , , and , whose values are 10μF, 5μF, and 2μF respectively, have breakdown voltages of 10V, 5V, and 2V respectively. For the interconnection shown, the maximum safe voltage in Volts that can be applied across the combination and the corresponding total charge in μC stored in the effective capacitance across the terminals are respectively

Safe Voltage Across Capacitor

Choices

Choice (4)Response

a.

2.8 and 36

b.

2.8 and 32

c.

7 and 119

d.

7 and 80

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