Answer:
B. An electric current into a magnetic field
Explanation:
The generation of electrical power requires relative motion between a magnetic field and a conductor. In a generator, mechanical energy is converted into electrical energy. The electricity produced by most generators is in the form of alternating current.
"<span>All waves have frequency, wavelength, speed and amplitude." </span>
Rocks and sediments I believe
The electrical symbols are very important especially when fixing electrical appliances because it tells you where the wire of neutral and live go.
