1.

Choose the expression for Faraday's second Law of Electromagnetic Induction.Note: ϵ is the electromotive force, ϕ is the magnetic flux, N is the number of turns

A. \(\epsilon \ = -Nd \ \phi /dt\)
B. \(\epsilon = Nd \ \phi /dt\)
C. \(\epsilon = N2d \ \phi /dt\)
D. \(\epsilon = -N(d \ \phi /dt)2\)
Answer» B. \(\epsilon = Nd \ \phi /dt\)


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