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GATE 2022 : Electrical Machines Quiz- 77

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Question 1Multiple Correct Options

The generated emf in armature coil of a DC machine.

Question 2

A motor takes a large current at starting because…………………

Question 3Multiple Correct Options

The ‘V’ curve of an alternator as shown in figure for rated armature current Ia of the machine is-

Which of the following statements are correct?

Question 4

The magnetising current of a transformer is usually small because it has _______

Question 5

When there is incorrect polarity in parallel operation of transformers then it results in

Question 6

The presence of a dominant 7th harmonic in the winding distribution of a 3-phase, 6-pole, 50 Hz induction motor may cause the motor to crawl at a speed of about:
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Jul 16ESE & GATE EE

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Mohd. IrshadMohd. IrshadMember since Apr 2020
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