SSC JE Electrical Engineering 25th May 2014 Shift-1

Instructions

For the following questions answer them individually

Question 101

A lamp having mean spherical candle power of 800 is suspended at a height of 10 m. Calculate the illumination just before the lamp

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Question 102

Hydrogen is used in large alternators mainly to

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Question 103

Two wires A and B have the same cross-section and are made of the same material. $$R_A$$ = 800 Ω and $$R_B$$ = 100 Ω. The number of times A is longer than B is

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Question 104

In the circuit shown in figure, find the transient current i(t) when the switch is closed at t = 0, Assume zero initial condition

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Question 105

The Ebers-Moll model is applicable to

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Question 106

A DC voltmeter has a sensitivity of 1000 Ω/watt. When it measure half full scale in 100 V range, the current through the voltmeter will be

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Question 107

A delta-star transformer has a phase to phase voltage transformation ratio of a : 1 [delta phase : star phase]. The line to line voltage ratio of star-delta is given by

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Question 108

Which of the following motors can be run on AC as well as DC supply

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Question 109

The power factor of the circuit shown in figure?

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Question 110

The power factor of an AC circuit is given by

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