A rectangular coil of copper wire 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


half revolution


Explanation -  For explanation check Electric Generator

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  1. Class 10
  2. Chapter 13 Class 10 - Magnetic Effects of Electric Current

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.