Question: (a) Explain why the maximum emf produced by an ac generator occurs when the flux through its armature coil is zero. (b) Explain why the

(a) Explain why the maximum emf produced by an ac generator occurs when the flux through its armature coil is zero.
(b) Explain why the emf produced by an ac gennrator is zero when the flux through its armature coil is at its maximum.

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a The magnetic flux through the coil is proportional to cos w t while the induced emf is propo... View full answer

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