Categories > emi > Faraday's Law and Lenz's Law > If a coil of $40$ turns and area $4.0 cm^2$ is suddenly removed from a magnetic field, it is observed that a charge of $2.0 \times {10^{ - 4}}C$ flows into the coil. If the resistance of the coil is $80\Omega $, the magnetic flux density in $Wb/{m^2}$ is

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Question: If a coil of $40$ turns and area $4.0 cm^2$ is suddenly removed from a magnetic field, it is observed that a charge of $2.0 \times {10^{ - 4}}C$ flows into the coil. If the resistance of the coil is $80\Omega $, the magnetic flux density in $Wb/{m^2}$ is


1) 0.5
2) 1.0
3) 1.5
4) 2.0
Solution: Explanation: No Explanation
Faraday's Law and Lenz's Law

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