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Determine the mutual inductance of a tor...

Determine the mutual inductance of a toroid and an infinite straight wire located along the central axis of the toroid. The toroid has a rectangular cross section with inner and outer radii a and b respectively. The width of the rectangular cross section parallel to the straight wire is h. Total turns in the toroid is N.

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The correct Answer is:
`M = (mu_(0)N hln (bla))/(2pi)`
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