1.

Two diametrically opposite points of a uniform metal ring (radius, R) are connected to the terminals of a battery. If the current drawn from the battery is I, the magnetic induction at the centre of the ring has a magnitude (A) \(\cfrac{\mu_0I}R\)(B) \(\cfrac{\mu_0I}{2R}\)(C) \(\cfrac{\mu_0I}{4R}\)(D) zero

Answer»

Correct option is (D) zero



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