Show that a rectangular loop carrying a steady current and placed in a uniform magnetic field experience a torque and it does not experience a net force. derive expression for the torque on the loop.
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Use Biot-Savart law to derive the expression for the magnetic field on the axis of a current carrying circular loop of radius R. Draw the magnetic field lines due to a convection
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A rectangular loop of size l×b carrying a steady current I is placed in a uniform magnetic field
→B. Prove that the torque →τ acting on the loop is given by
→τ=→m×→B,when →m is the magnetic moment of the loop .
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