# What is the usual waveform of an AC power circuit?

A sine function is commonly used to generate AC current.

This is the functional form of the voltage that results from rotating a conductive loop in a magnetic field. The voltage is proportional to the rate at which the magnetic flux through the loop changes; it is zero when the loop is parallel to the field and maximum when it is perpendicular.

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The usual waveform of an AC power circuit is a sine wave.

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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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