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 Two wires A and B are carrying currents I1 and I2 as shown in the figure. The separation between them is d. A third wire C carrying a current I is to be kept parallel to them at a distance x from A such that the net force acting on it is zero. The possible values of x are :

(a)

x =

(b)

x = d  and x=

(c)

x = d  and x= d

(d)

x = d  and x= d



Question ID - 51326 | SaraNextGen Top Answer

 Two wires A and B are carrying currents I1 and I2 as shown in the figure. The separation between them is d. A third wire C carrying a current I is to be kept parallel to them at a distance x from A such that the net force acting on it is zero. The possible values of x are :

(a)

x =

(b)

x = d  and x=

(c)

x = d  and x= d

(d)

x = d  and x= d

1 Answer
127 votes
Answer Key / Explanation : (a) -

=0

    since (x>d)

I1 x−I1 d=I2 x

 x=

127 votes


127