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MCQs 1: Which of the following works on torque on the current carrying conductor placed in magnetic field ?

galvanometer ammeter voltmeter all of the above
Answer Explanation

MCQs 2: A.C cannot be used for________________?

producing heat producing light magnetizing and electroplating all the above
Answer Explanation

MCQs 3: Which one of the following functions like a motor ?

galvanometer ammeter voltmeter all of above
Answer Explanation

MCQs 4: An alternating current or voltage________________?

fluctuates off and on varies in magnitude alone changes its direction again and again changes its magnitude continuously and reverses its direction of flow after regularly recurring intervals
Answer Explanation

MCQs 5: emf induced in a circuit according to Faradays law depends on the_____________?

maximum magnetic flux rate of change of magnetic flux change in magnetic flux initial magnetic flux
Answer Explanation

MCQs 6: Weber is the unit of_____________?

Magnetic field intensity magnetic induction magnetic flux self-inductance
Answer Explanation

MCQs 7: A.C cannot be used for_______________?

producing heat producing light magnetizing and electroplating all the above
Answer Explanation

MCQs 8: A dynamo converts______________?

mechanical energy into electrical energy electrical energy into mechanical energy magnetic energy into mechanical energy magnetic energy into electrical energy
Answer Explanation

MCQs 9: cmf generated by A.C dynamo depends upon_____________?

number of turns in the coil magnetic field strength frequency of rotation all of above
Answer Explanation

MCQs 10: Current produced by moving the loop of wire across a magnetic field is called_____________?

A.C current D.C current induced current mean square current
Answer Explanation

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