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AP EAPCET 20-Aug-2021 Shift 2 Paper

Section: Physics

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Question : 111

Total: 160

Torque required to hold a small circular coil of 10 turns, 2×10−4m2 area and carrying 0.5A current is the middle of a long solenoid of 103 tums per meter carrying 3A current, with its axis perpendicular to the axis of the solenoid is _____

12π×10−7‌Nm
6π×10−7‌Nm
4π×10−7‌Nm
2π×10−7‌Nm

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