# The magnetic flux through a coil containing 50 loops changes from 30 Wb to –30 Wb in 0.42 seconds. What is the voltage induced in the coil?

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Use Faraday's Law to find the induced voltage ((E)): (E = -N \frac{\Delta\Phi}{\Delta t}) where (N) is the number of loops, (\Delta\Phi) is the change in magnetic flux, and (\Delta t) is the change in time.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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