Answer:
B. The magnetic field pushes negative charges and positive charges in opposite directions.
Electric charges move through a magnetic field and produce an electric current because the magnetic field pushes negative charges and positive charges in opposite directions. Option B is the correct option.
The area in which the magnetic force acts around a magnetic material or a moving electric charge is known as the magnetic field. Electrons are pushed and pulled by moving magnetic fields.
The electrons in the wire are pushed when a magnet is moved around it or when a coil of wire is moved around a magnet, producing an electrical current.
Magnetic and electric fields are both produced by a charged particle travelling at constant speed. Since it is a charged particle, an electric field is created. Electric fields can be produced by magnetic fields in addition to electric charges.
Therefore, the push of the magnetic field to the opposite negative and positive charges firms the electric charges to produce an electric current through electric field. Thus. option B is correct.
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