A rectangular loop of wire of size 4cm x 10 cm carries a steady current of 2 A. A straight long wire carrying 5 A current is kept near the loop.If the loop and the wire are co planar find
1.Find the torque acting on the loop and the magnitude?
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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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Answer:
Direction: Towards the conductor or attractive
(i) Torque 'τ' = MB sinθ where θ = 0°
Therefore, τ = 0 [∴ As M and B are parallel]
(ii) Force acting on the loop
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