What two forces are required for generators and electric motors to work?
A. magnetism and thermal
B. electricity and thermal
C. electricity and magnetism
D. magnetism and radiant
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Explaination:
Electricity and Magnetism
Electricity and magnetism are two things that seem different, but actually have a lot in common. In this lesson, we'll define each of them, and then explore how they are really part of the same fundamental force of nature.
What is Electricity?
Electricity involves energy transferring from one place to another due to the existence of charged particles. There are two types of electricity: static electricity, and regular electricity.
What is Magnetism?
Magnetism is where particular materials like iron can produce forces. Iron can be shaped into a bar magnet, or horseshoe magnet. These magnets can attract certain metal objects, and magnets can also attract or repel each other. Magnets contain north poles and south poles. Opposite poles attract, and similar poles repel. We can also create an electromagnet by wrapping a coil of wire around a piece of iron or other magnetic material. This allows us to turn the magnet's attractive power on and off using a switch, which can be very useful.
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Hope it's help
Carry On Learning!
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