Categories > emi > Faraday's Law and Lenz's Law > A circular coil of 500 turns of wire has an enclosed area of $0.1\,{m^2}$ per turn. It is kept perpendicular to a magnetic field of induction 0.2 T and rotated by 180° about a diameter perpendicular to the field in 0.1 sec. How much charge will pass when the coil is connected to a galvanometer with a combined resistance of 50 ohms

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Question: A circular coil of 500 turns of wire has an enclosed area of $0.1\,{m^2}$ per turn. It is kept perpendicular to a magnetic field of induction 0.2 T and rotated by 180° about a diameter perpendicular to the field in 0.1 sec. How much charge will pass when the coil is connected to a galvanometer with a combined resistance of 50 ohms


1) 0.2 C
2) 0.4 C
3) 2 C
4) 4 C
Solution: Explanation: No Explanation
Faraday's Law and Lenz's Law

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