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MHT CET Physics question

PhysicsMagnetism and MatterMHT CET

Not in JEE Advanced syllabus

A T.G. having radius of circular coil r and no. Of turns n gives deflection with a certain current. If radius is increased to 2r, what should be the no. Of turns if the galvanometer will give a deflection of with the same current

Answer: (A)

Solution

For fixed current and deflection, requires to stay

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Question ID VK-078491