Q. Two current carrying conductors kept side by side, experience a force of attraction :

A
When current direction of both conductors are same
B
When current direction of both conductors are opposite
C
Independent of direction of currents
D
Only when one conductor is carrying current
Solution:

In case of two current carrying conductors kept side by side, same current attracts and opposite currents repels.

Can be verified by using right hand thumb rule to find the magnetic field direction of conductors and then using Fleming’s left hand rule for direction of force.

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