(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

If a loop of wire starts off horizontal, in a magnetic field angled 12º from the normal to the surface of the loop, and then rotates 180º in a constant magnetic field of magnitude B, what is the magnitude of the change in magnetic flux?

2. Relevant equations

Flux = A.B cos theta

3. The attempt at a solution

The way I see it, it should start off as:

Flux = Area x B cos 12º

then rise to its peak when perpendicular to the direction of the magnetic field

Flux = Area x B cos 0º

then down to 0 when parallel,

Flux = Area x B cos 90º

then back to the starting point, hence a overall magnitude change of 0.

Is this correct?

Thanks

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# Homework Help: Magnetic flux

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