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Problem: Lenz's Law The magnetic flux through the loop shown in the accompanying figure varies with time according to Φm = 2.00e-3tsin(120πt), where Φm is in milliwebers. What are the direction and magnitude of the current through the 5.00-Ω resistor at  t = 0s?

FREE Expert Solution

Induced emf:

ε=-mdt

Current:

i=ε(t)R

According to Lenz's law, the value of the current is positive if it is in a counterclockwise direction.

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Problem Details

Lenz's Law 

The magnetic flux through the loop shown in the accompanying figure varies with time according to Φm = 2.00e-3tsin(120πt), where Φm is in milliwebers. What are the direction and magnitude of the current through the 5.00-Ω resistor at  t = 0s?

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