A Circular Coil of 20 Turns and Radius 5 Cms

question 19

Multiple Choice

A circular coil of 20 turns and radius 5 cms is placed with its plane oriented at 90° to a magnetic field of 0.1 T.The field is now increased at a steady rate,reaching a value of 0.5 T after 4 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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