Choose the correct option.

A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each:

(a) two revolutions.

(b) one revolution.

(c) half revolution.

(d) one-fourth revolution.

 

Answer:

half revolution

 

Explanation -  For explanation check Electric Generator

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo