In the straight wire A, current is flowing in the vertically downward direction whereas in wire B the current is flowing in the vertically upward direction. What is the direction of magnetic field:
(a) in wire A?

(b) in wire B?

Name the rule which you have used to get the answer.

Question

Philoid · Accepted Answer

(a) Clockwise would be the direction of magnetic field in wire A.

(b) the direction of the magnetic field in the wire B is anticlockwise.

Maxwell’s right hand thumb rule.

In the straight wire A, current is flowing in the vertically downward direction whereas in wire B the current is flowing in the vertically upward direction. What is the direction of magnetic field:(a) in wire A?(b) in wire B?Name the rule which you have used to get the answer.