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SSC JE EE Quiz: Electrical and Electric Instrumentation Booster Quiz-11

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Question 1

The term ‘precision’ means

Question 2

The pointer of a moving coil ammeter deflects from zero and comes to rest at 2A marking. In the steady deflected position

Question 3

In moving iron instruments, controlling torque is provided by ________ and ________ damping is used?

Question 4

Electrodynamometer type wattmeter will read zero under which of the following condition?

Question 5

Which of the following is NOT a disadvantage of thermocouple?

Question 6

In order to extend the range of an ammeter, a shunt resistance of 25 Ω is connected. Determine the multiplying power of the shunt if the meter resistance is 150 Ω.

Question 7

The value of a resistance as measured by a Wheatstone bridge is 10 kΩ using a voltage source of 10 V. The same resistance is measured by the same bridge using 15 V. The value of resistance is

Question 8

In y-t mode of operation, horizontal sweep signal and vertical unknown signal are applied to ______ and ______ respectively.

Question 9

The waveform shown in figure is observed on CRT. If the vertical knob is set to 0.5V/div, if the time/div control is set to 2 μs/div then the frequency of the signal is_____

Question 10

The following Lissajous pattern is obtained on the screen of CRO.

Find the ratio of frequency of signal applied to Y plates to that of X plates?

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