Question

What is the Thumb rule for magnetic field lines​

Answer 1

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• right-hand rule, also called the right-hand grip rule, is used in situations where a vector must be assigned to the rotation of a body, a magnetic field or a fluid.

Answer 2

Answer:

magnetic field caused by current in a wire you can find it by pointing of right thumb in the direction of the current in the wire and curling your fingers your fingers will be called in the same direction as the magnetic field around the wire .