SSC JE Electrical Engineering 2015

Instructions

For the following questions answer them individually

Question 121

In a parallel RLC circuit if the lower cut-off frequency is 2400 Hz and the upper cut-off frequency is 2800 Hz what is the bandwidth ?

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Question 122

The errors in current transformers can be reduced bydesigning them with

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Question 123

A CRO screen has ten divisions on the horizontal scale. If a voltage signal $$5 \sin(314 t + 45^\circ)$$ is examined with a line base setting of 5 m sec/div, the number of cycle of signal displayed on the screen will be

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Question 124

In the Maxwell bridge as shown in the figure the values of resistance $$R_{X}$$ and inductance $$L_{X}$$ of a coil are to be calculated values are shown in the figure at balance. The values of $$R_{X}$$ $$L_{X}$$ will respectively be

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Question 125

Creeping in a single phase induction type energy meter may be due to

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Question 126

Which instrument is used to measure the high resistance?

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Question 127

The current I in the electric circuit shown is

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Question 128

The superposition theorem is used when the circuit contains

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Question 129

Thevenin’s theorem cannot be applied to

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Question 130

A node in a circuit is defined as a

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