Download electric current jigsaw A

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Name:___________________________________ Date:______________ Hour:
Electric Current jigsaw – Version A
1) In a conductor, what causes charge to flow?
2) What is meant by “electric pressure”?
3) What is a voltage source? What does it do?
4) Name 2 voltage sources.
5) How much charge is flowing through a circuit is called ____________________.
6) How much reason charge has to flow in a circuit is called ____________________.
7) What is Ohm’s Law (the formula)?
8) How are current and voltage related? How are current and resistance related?
9) What does DC stand for? Give an example of DC.
10) What does AC stand for? Give an example of AC.
11) What is the frequency of AC current in this country? Why do we like to use AC current for our power grid?
12) When you plug in a cord, where do the electrons come from?