Evaluate the magnetic field strength
A single-turn wire loop 10cm in diameter carries a 8.0A current. It experiences a torque of 2.4×10-2Nm2 when the normal to the loop plane makes a 37 degree angle with a uniform magnetic field. What is the magnetic field strength?
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A horizontal rod 0.200 m long carries a current through a uniform horizontal magnetic field of magnitude 0.067 T that points perpendicular to the rod. If the magnitude force on this rod is measured to be 0.13 N, what is the current flowing through
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