How does the induced emf in a rotating spoke depend on its length? - ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS Quiz | GKFix.in

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Question

How does the induced emf in a rotating spoke depend on its length?

A. Emf ∝ R
B. Emf ∝ R²
C. Emf ∝ 1/R
D. Emf is independent of R

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