Q3 of 39 Page 240

The device used for producing electric current is called a:

A generator is used to produce electricity. Thus, option (a) is correct.

Which of the following correctly describes the magnetic field near a long straight wire?

The phenomenon of electromagnetic induction is:

The essential difference between an AC generator and a DC generator is that:

At the time of short circuit, the current in the circuit:

Questions · 39

13. Magnetic Effects of Electric Current

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