Question

magnetic field around a straight conducting wire​

Answer 1

Answer:

The Magnetic field lines around a straight conductor carrying current are concentric circles whose centres lie on the wire.

Explanation:

it can be under stand by a rule known as right hand thumb rule

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Answer 2

Answer:

we can find the magnetic field in a straight conducting wire by using right hand thumb rule where thumb denotes the current and the curled fingers shows the direction of the magnetic field lines