A Flat Coil Is Wrapped with 200 Turns of Very

question 76

Multiple Choice

A flat coil is wrapped with 200 turns of very thin wire on a square frame with sides 18 cm long.A uniform magnetic field is applied perpendicular to the plane of the coil.If the field changes uniformly from 0.50 T to 0.00 T in 8.0 s,find the emf induced in the coil.

• A)2.1 mV
• B)4.1 mV
• C)0.21 V
• D)0.41 V

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