Question

why moving charge creat magnetic fields​

Answer 1

Answer:

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Explanation:

A moving charge creates magnetic field

As Ampere suggested, a magnetic field is produced whenever an electrical charge is in motion. The spinning and orbiting of the nucleus of an atom produces a magnetic field as does electrical current flowing through a wire. The direction of the spin and orbit determine the direction of the magnetic field.

Answer 2

Explanation:

So, in any given piece of space in the rocket frame, there is now more negative charge, and less positive charge, than it had in the lab frame. This charge excess will repel the electron. ... So, we say that currents set up magnetic fields, with which moving charges interact via the Lorentz force.

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