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MHT CET Physics question

PhysicsMagnetism and MatterMHT CET

Not in JEE Advanced syllabus

A coil of T.G. having diameter 16 cm is set up in magnetic meridian when a current of 0.8 A is passed through the coil. The magnetic needle is deflected through . The length of the wire in the coil is ( T)

Answer: (C)

Solution

At , gives turns, so the

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Question ID VK-078551