Joke Collection Website - Mood Talk - Why can electricity make electrical appliances start? How is electricity generated?
Why can electricity make electrical appliances start? How is electricity generated?
a: positive charge and negative charge.
why can electricity make the electric light light up?
a: the lighting of the electric lamp is the thermal effect of electricity, and the starting of the motor is the electromagnetic effect of electricity
why can't other substances?
a: electricity is a kind of energy, but it doesn't seem to be a substance. Different substances can produce all kinds of energy (kinetic energy, light energy, solar energy, chemical energy, etc.), which can be converted into electric energy, and of course, electric energy can also be converted into other energy.
what is electricity generated by?
the electricity we use is generated by cutting the magnetic field lines by the rotor of the generator (the law of electromagnetic induction). Of course, friction can also generate electricity.
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