1.

A uniform wire of resistance `12Omega` is bent in the form of a square. A cell of `emf6V` having negligible innternal resistance connected across the diagonal of the square. The magnetic induction at its centre `(` in tesla `)`.

Answer» Correct Answer - 1
`B_(1)=(mu_(0)i)/(4pir)(sintheta_(1)+sintheta_(2))`


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