Answer :
The magnetic field will not be produced by the a) stationary electric charge.
A moving charge will always produce a magnetic field, and on the other hand, static charge no longer produces a magnetic field due to the fact it affects both the electric and magnetic field, additionally not able to offer any impact on the magnet. That's the reason a static charge doesn't produce a magnetic field.
But the moving electric charge, electric current, electro-magnet, and current-carrying solenoid will produce the magnetic field along the movement the charges in their system where the magnetic field will flow along the axis.
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