Sat July 16, 2011 By:
This is an example 6.6 pg-213 of the NCERT book!!
A metallic rod of 1 m length is rotated with a frequency

What causes the generation of the emf?

Expert Reply
Mon July 18, 2011
The emf generated is the motional electromotive force. While rotating the rod, free electrons move towards its outer end due to Lorentz force. This separartion of charges generates an emf across the ends of the rod. The emf so generated is given as
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