Question

derive an expression for the force between two parallel current carrying conductor placed in a uniform magnetic field.hence define ampere.​

Answer 1

Answer:

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Explanation:

Answer 2

Answer:

Suppose two long thin straight conductors (or wires) PQ and RS are placed parallel to each other in vacuum (or air) carrying currents I1 I2 and respectively. It has been observed experimentally that when the currents in the wire are in the same direction, they experience an attractive force (fig. a) and when they carry currents in opposite directions, they experience a repulsive force (fig. b). Let the conductors PQ and RS carry currents I1 I2 and in same direction and placed at separation.

Explanation:

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