NDA 2021 Physics question

Imagine a current-carrying straight conductor with magnetic field of lines in anti-clockwise direction. Then the direction of current is determined by

(A)the Right-Hand Thumb rule and it would be in the downward direction.
(B)the Left-Hand Thumb rule and it would be in the downward direction.
(C)the Right-Hand Thumb rule and it would be in the upward direction.Correct
(D)the Left-Hand Thumb rule and it would be in the upward direction.

Answer: (C)

Solution

By the Right-Hand Thumb rule, if the conductor is held in the right hand with the thumb along the current, the fingers curl in

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Question ID VK-031967