A galvanometer coil has 500 turns and each turn has an average area of 3 $ \times $ 10–4 m2 . If a torque of 1.5 Nm is required to keep this coil parallel to a magnetic field when a current of 0.5 A is flowing through it, the strength of the field (in T) is ______.

Question

A galvanometer coil has 500 turns and each turn has an average area of 3 $ \times $ 10^–4 m² . If a torque of 1.5 Nm is required to keep this coil parallel to a magnetic field when a current of 0.5 A is flowing through it, the strength of the field (in T) is ______.

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