A solenoid is 25 cm long, 3 cm in diameter, and carries 4 A dc in its
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A solenoid is 25 cm long, 3 cm in diameter, and carries 4 A dc in its 400 turns. Its axis is perpendicular to a uniform magnetic field of 0.8 Wb/m2 in air. Using an origin at the center of the solenoid, calculate the torque acting on it.
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