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Magnetic Flux Density<br />

• Magnetic flux lines<br />

F are continuous<br />

and closed.<br />

B<br />

<br />

F<br />

A<br />

A<br />

f<br />

• Direction is that<br />

of the B vector at<br />

any point.<br />

Magnetic Flux<br />

density:<br />

When area A is<br />

perpendicular to flux:<br />

B<br />

<br />

F<br />

A<br />

; F =<br />

BA<br />

The unit of flux density is the weber per square meter.

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