Question

State right hand thumb rule​

Answer 1

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When electricity (conventional current) flows in a long straight wire it creates a circular or cylindrical magnetic field around the wire according to the right-hand rule.If the fingers of the right hand are curled in the direction of the circular component of the current, the right thumb points to the north pole.

Answer 2

Answer:

According to Mexwell's right hand thumb rule : Imagine that u r grasping or holding the current carrying wire in ur right hand so that ur thumb points in the direction of current, then the direction in which ur fingers encircle the wire will give the direction of magnetic field lines around the wire

Hope it will help u