A Circular Coil of 20 Turns and Radius 5 $0.10 \mathrm {~T} \text {. }$

question 176

Multiple Choice

A circular coil of 20 turns and radius 5.0 cm is placed with its plane oriented at 90° to a uniform magnetic field of $0.10 \mathrm {~T} \text {. }$ The field is now increased at a steady rate, reaching a value of $0.50 \mathrm {~T}$ after 4.0 seconds. What emf is induced in the coil?

• A)0.016 V
• B)0.021 V
• C)0.026 V
• D)0.031 V
• E)0.036 V

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