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MHT CET 2022 Physics question

PhysicsCurrent ElectricityMHT CET 2022

The current associated with an electron of charge 'e' moving in a circular orbit of radius 'r' with speed 'v' around the positively charged nucleus is given by

Answer: (D)

Solution

An electron going round a circular orbit passes any point once per revolution, so the equivalent current is . The period is , so

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Question ID VK-093490