Question

What is write hand thumb rule ??​

Answer 1

Answer:

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:

when electricity flows in a long straight wire it creates a circular or cylindrical magnetic field around the wire. according to right hand rule thefingers of the right hand are curled in the direction of the circular component of the current,the right thumb points to the north pole