Section 1 Review, page 563
When a rubber rod is rubbed with wool, the rod becomes
negatively charged. What can you conclude about the magnitude
the wool’s charge after the rubbing process? Why?
What did Millikan’s oil-drop experiment reveal about the nature of electric charge?
A typical lightning bolt has about -10.0 C of charge. How many electrons (Remember
= -1.6 x 10
C) are in a typical lightning bolt?
If you stick a piece of transparent tape on your desk and then quickly pull it off, you
that the tape is attracted to other areas of your desk that are not charged. Why does this happen?
Metals, such as copper and silver, can become charged by induction, while plastic materials cannot. Explain why.
Why is an electrostatic spray gun more efficient than an ordinary spray gun?
determine what you need to find
determine what variable each number is.
3rd determine which equation to use.
4th solve the equation