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 $0.10 \mathrm {~T}$ 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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The Answer of 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 $0.10 \mathrm {~T}$ 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

A Circular Coil of 20 Turns and Radius 5 0.10 T0.10 \mathrm {~T}0.10 T

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