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The armature of an ac generator is a circular coil with 50 turns and radius 3.20...

The armature of an ac generator is a circular coil with 50 turns and radius 3.20 cm. When the armature rotates at 350.0 rev/min, the amplitude of the emf in the coil is 33.0 V. What is the magnitude of the magnetic field (assumed to be uniform)?

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Answer #1

Induced Emf E=NBAW max Emax Magnetic field Be NAW turns Given Eman = 33.0 V, N= 50 Area A=Tom = 3,14X ( 3.20 x 10272 = 32.153

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