alleryMotional emf induced in a straight conductor of length l moving with velocity v perpendicular to a uniform B is
Aε = Bl/v
Bε = Bv²l
Cε = Blv
Dε = B/(lv)
Answer & Solution
Correct answer: C. ε = Blv
ε = (v × B) · l, magnitude Bvl when all three are mutually perpendicular.
This is the basis of generators.
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