Electricity/Magnetism Study Guide
(use your notes to study as well)
1. What does the Law of Electric Charges say?
2. What is electric discharge?
3. What three things are necessary to create a circuit?
4. What is a “load”, in an electric circuit?
5. What is a “filament” in an incandescent light bulb? What is it made of?
6. What is the difference between an open circuit and a closed circuit? Draw an example
of each.
7. What is a series circuit? Draw an example of a series circuit.
8. What is a parallel circuit? Draw an example of a parallel circuit.
9. What are the advantages of a parallel circuit over a series circuit?
10.
What is a conductor? Give three examples of a conductor.
11.
What is an insulator? Give three examples of an insulator.
12.
What is a semiconductor? Give 2 examples.
13.
What is resistance?
14.
In a circuit, what is voltage?
15.
In a circuit, what is current?
16.
We can say that conductors, insulators and resistors fall on a continuum. Draw
a diagram to show what that means.
17.
What is alternating current? What is our primary source of alternating current?
What is the benefit of alternating current? What is the problem with alternating current?
18.
What is direct current? What is our primary source of direct current?
19.
What is a diode?
20.
What does a transistor do?
21.
What does an electric generator do?
22.
To what materials are magnets attracted?
23.
What are the magnet’s poles? How many poles does every magnet have?
24.
State the Law of Magnetic Attraction.
25.
What are magnetic fields?
26.
What is an electromagnet? Explain how to make one.
27.
What is a solenoid?
28.
Name two ways to make an electromagnet stronger.
29.
What do electric generators do?