Question

what is right hand thumb rule​

Answer 1

Answer:

According to Right Hand Thumb Rule given by Maxwell:- Imagine that you are holding a current carrying conductor in your right hand such that your thumb points towards the direction of the current then direction in which your finger rotates will be the direction of magnetic field lines.

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Answer 2

Answer:

Fleming's right hand rule:

Fleming's right hand rule states that stretch the thumb, fore finger, and the middle finger of your right hand in such a way that they are mutually perpendicular to each other. If thumb shows the direction of motion of the conductor or the force acting on the conductor and the fore finger shows rhe direction of magnetic field, then the middle finger will show the direction of current passing through it.