A current-carrying conductor is held in exactly in a vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor :

(a) from top towards bottom (b) from left towards right

(c) from bottom towards top (d) from right towards left

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Solution

Applying maxwell's right hand thumb rule,
(a) from top towards bottom

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Applying maxwell's right hand thumb rule, (a) from top towards bottom

Applying maxwell's right hand thumb rule,
(a) from top towards bottom