SSC JE Electrical Engineering 23rd Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 191

The ripple factor is

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Question 192

The output resistance (in kQ) of a commonbasetransistor, circuit is of the order of

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Question 193

For proper operation of a transistor, its collector should have

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Question 194

What- is the characteristics of common collector configuration amplifier with respect to the input and output impedance?

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Question 195

The speed of a synchronous motor can be changed by

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Question 196

In a synchronous motorrunning with fixed excitation, when the load is increased two times,its torque angle becomes approximately

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Question 197

A three-phase synchronous motorwill have

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Question 198

The maximum speedvariation in a synchronous motoris .

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Question 199

In a synchronous motor, the damping winding is generally used to

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Question 200

In a synchronous motor which loss varies with load ?

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