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Example 1: A current loop has an area of 40 cm 2<br />
and is placed in a 3-T B-field at the given angles.<br />
Find the flux F through the loop in each case.<br />
x x x x<br />
x x x x<br />
A<br />
x x x x<br />
x x x x<br />
n<br />
n<br />
q<br />
n<br />
A = 40 cm 2 (a) q = 0 0 (b) q = 90 0 (c) q = 60 0<br />
(a) F = BA cos 0 0 = (3 T)(0.004 m 2 )(1);<br />
(b) F = BA cos 90 0 = (3 T)(0.004 m 2 )(0);<br />
F 12.0 mWb<br />
F 0 mWb<br />
(c) F = BA cos 60 0 = (3 T)(0.004 m 2 )(0.5); F 6.00 mWb
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