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Questions for Thought
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1

Explain why a balloon that has been rubbed sticks to a wall for a while.
2

Explain what is happening when you walk across a carpet and receive a shock when you touch a metal object.
3

Why does a positively or negatively charged object have multiples of the fundamental charge?
4

Explain how you know that it is an electric field, not electrons, that moves rapidly through a circuit.
5

Is a kWh a unit of power or a unit of work? Explain.
6

What is the difference between ac and dc?
7

What is a magnetic pole? How are magnetic poles named?
8

How is an unmagnetized piece of iron different from the same piece of iron when it is magnetized?
9

Explain why the electric utility company increases the voltage of electricity for long-distance transmission.
10

Describe how an electric generator is able to generate an electric current.
11

Why does the north pole of a magnet point to the geographic North Pole if like poles repel?
12

Explain what causes an electron to move toward one end of a wire when the wire is moved across a magnetic field.





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