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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

A circular coil of diameter 9 cm has 30 turns of wire which carry current of 1 ampere. The magnetic moment of the coil is

Answer: (A)

Solution

045)^2Missing close brace = 0.1908\ \mathrm{A m^2Extra close brace or missing open brace} = 19.08×10^{-2}$\

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Question ID VK-078626