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Ulleksa [173]
3 years ago
10

If a rectangular area is rotated in a uniform electric field from the position where the maximum electric flux goes through it t

o an orientation where only half the flux goes through it, what has been the angle of rotation?
Mathematics
1 answer:
Greeley [361]3 years ago
7 0
With a uniform electric field, flux go along parallel paths, then flux is therefore proportional to the cosine of the angle rotated.
0 degree rotation => cos(0)=1 => 100% of flux.
60 degrees rotation => cos(60) => 0.5  => how many % of flux?
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