What is an electromagnet?

What supplies to you need to make an electromagnet?

What is kinetic energy?

What is a motor?

What protects the Earth from most of the Sun's charged particles?

What does a generator do?

What type of current changes from positive to negative 60 times each second?

What produces most of the electric energy used all over the world?

What does a transformer do?

Why does a superconductor allow electricity to pass through it without heat being produced?

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