Question

state the role which indicates the direction of magnetic field around a straight conductor state the rule​

Answer 1

Answer:

MAXWELL'S RIGHT THUMB LAW

Answer 2

Let us look at the answer:

Explanation:

Maxwell's right hand thumb rule gives the direction of magnetic field around a straight conductor.

It states that 'If we hold a current carrying conductor in our hand , the thumb gives the direction of current and fingers curling up the conductor gives the direction of magnetic field' .