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Question
In which direction wire A will experience force due to a parallel wire B? (Each wire carries current I in the same direction.)
In which direction wire A will experience force due to a parallel wire B? (Each wire carries current I in the same direction.)
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Solution
The correct option is D
The magnetic field due to the wire B at the place of wire A is out of the plane (acccording to the right hand thumb rule). The current in wire A is flowing in the upward direction. So, according to the Fleming's left hand rule, the force on the wire A will be in the right direction (i.e. it will be attracted to the wire B).
The magnetic field due to the wire B at the place of wire A is out of the plane (acccording to the right hand thumb rule). The current in wire A is flowing in the upward direction. So, according to the Fleming's left hand rule, the force on the wire A will be in the right direction (i.e. it will be attracted to the wire B).
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