State lenz '' s law and hence explain the term back emf

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Reference no: EM131340207

1. When a magnetic flux linking a coil changes, an emf is induced in the coil. Explain the factors that determine

(a) the magnitude of the emf, and

(b) the direction of the emf.

2. State Lenz ' s law, and hence explain the term ‘ back emf '.

Reference no: EM131340207

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