Q. 13.9( 8 Votes )
An electric current flows in a wire from north to south. What will be the direction of the magnetic field du to this wire at a point
(a) east of the wire,
(b) west of the wire,
(c) vertically above the wire and
(d) vertically below the wire?
Answer :
An electric current flows in a wire from north to south. So the direction of the magnetic field associated with it can be predicted by Maxwell’s Right hand Cork-Screw rule.
So we can conclude that,
(a) The magnetic field to the east of the wire will be directed vertically upwards.
(b) The magnetic field to the west of the wire will be directed vertically downwards.
(c) The magnetic field vertically above the wire will be directed towards the west.
(d) The magnetic field vertically below the wire will be directed towards the east.
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