ISRO Scientist or Engineer Electrical 2017


For the following questions answer them individually

Question 1

An inductance of one H carrying a current of two amperes will store the energy of

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Question 2

The square waveform of current has following relation between r.m.s value and average value

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Question 3

Two numbers of 500 ohms one watt resistors are connected in parallel. Their combined resistance and wattage rating will be

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Question 4

In a long uniform coil of inductance 2L and associated resistance 2R ohms is physically cut in to two exact halves which are rewound in parallel. The resistance and inductance of the combination are

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Question 5

For transfer function of a physical two-port network

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Question 6

The starting torque of a three phase induction motor can be increased by

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Question 7

The capacitor start-capacitor run single phase induction motor is operationally a

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Question 8

What would happen if the field of a D.C. shunt motor is opened?

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Question 9

Equalizer rings in D.C. generator with lap windings are used for

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Question 10

The Buchholz relay is normally used to protect the

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