A metallic rod of length ‘l’ is tied to a string of length 2l and made to rotate with angular speed ω on a horizontal table with one end of the string fixed. If there is a vertical magnetic field ‘B’ in the region, the e.m.f. induced across the ends of the rod is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
e = 
= Bω 
= 
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