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A small bar magnet (mass = 200 g, length = 15 cm) has a magnetic moment...

A small bar magnet (mass = 200 g, length = 15 cm) has a magnetic moment of 7.5 Am2. What is the maximum possible torque which could act on this magnet in a field of 5x10-5 T?

A: 3.75x10^-4Nm

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