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ICSE Class 10 Physics Question 68 of 136

Electro-magnetism — Question 4

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Question 4

A current flows through a wire in a south to north direction and the magnetic field is directed downwards. In what direction will the force act on the wire?

Answer

The force will act towards West.

Reason — From Fleming's left hand rule, as central finger points towards north (current direction) and forefinger points downwards (magnetic field direction) then thumb will point towards west (force direction).