Two parallel conductors A and B of equal leng | vedclass

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Question

(B) According to the law of magnetic force between two parallel current-carrying conductors,the force per unit length is given by $f = \frac{\mu_0 I_1

Vedclass · Accepted Answer

$A$ and $B$ will attract each other with the same force.

Vedclass · Answer

(B) According to the law of magnetic force between two parallel current-carrying conductors,the force per unit length is given by $f = \frac{\mu_0 I_1 I_2}{2\pi d}$.Since the currents $I_1 = I$ and $I_2 = 10I$ are in the same direction,the force is attractive.According to Newton's third law of motion,the force exerted by conductor $A$ on $B$ must be equal in magnitude and opposite in direction to the force exerted by conductor $B$ on $A$.Therefore,both conductors attract each other with the same force.

Two parallel conductors $A$ and $B$ of equal lengths carry currents $I$ and $10\, I$,respectively,in the same direction. Then

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