Question

write down the expression for the force between two parallel curent carrying wire? (
1 marks)
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Answer 1

Explanation:

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Answer 2

Answer:

F/l is the force per unit length between two parallel currents I1 and I2 separated by a distance r. ... Fl=(4π×10−7 T⋅ m/A)(1 A)2(2π)(1 m)=2×10−7 N/m F l = ( 4 π × 10 − 7 T ⋅ m/A ) ( 1 A ) 2 ( 2 π ) ( 1 m ) = 2 × 10 − 7 N/m .