Question

please explain right hand palm rule?///

Answer 1

Stretch your thumb, forefinger and middle finger of the right hand such that they are perpendicular to each other. If the forefinger indicates the direction of the magnetic field and the thumb shows the direction of the motion of conductor, the middle finger will show the direction of induced current. This is also called as Fleming's right hand rule

Answer 2

Right hand palm rule :

Right hand palm rule :The coil is held in right hand so that the fingers point in the direction of the current in the windings.The extended thumb, points in the direction of magnetic field. This is applied for solenoid to find the direction of 'B'.