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The AC Generator<br />

• An alternating AC current is<br />

produced by rotating a loop<br />

in a constant B-field.<br />

• Current on left is outward<br />

by right-hand rule.<br />

• The right segment has an<br />

inward current.<br />

Rotating Loop in B-field<br />

B<br />

v I<br />

I<br />

v<br />

B<br />

• When loop is vertical, the<br />

current is zero.<br />

I in R is right, zero, left, and then zero as loop rotates.

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