Faraday's Law Video Lessons

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Problem: The magnetic flux through a coil of wire containing two loops changes at a constant rate from -83 Wb to +32 Wb in 0.30 s.What is the magnitude of the emf induced in the coil?Express your answer to two significant figures and include the appropriate units.

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From Faraday's law:

ε=-Ndϕdt, where N is the number of loops, dϕ is the change in magnetic flux and dt is the change in time. 

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Problem Details

The magnetic flux through a coil of wire containing two loops changes at a constant rate from -83 Wb to +32 Wb in 0.30 s.

What is the magnitude of the emf induced in the coil?
Express your answer to two significant figures and include the appropriate units.

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