1.

Magnetic Induction at the centre of circular coil of radius r carrying current I is-(A) \(\frac{\mu oI}{2R}\)(B) \(\frac{\mu I^2}{R}\)(C) \(\frac{\mu oI}{R^2}\)(D) \(\frac{\mu oI}{R}\)

Answer»

Correct answer is (A) \(\frac{\mu oI}{2R}\)



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