Laws of Electric Charge
Part A: Determining Charge
For the following questions, determine the charge on the object. Explain why it has this
charge.
Object
1.
Charge
2.
3.
4.
+ - + + + + + - + - +
5. An atom that has 16
electrons and 15 protons
6. An atom that has 100
electrons and 120 protons
7. A neutral object that
loses 100 electrons to the
ground.
Explanation
Part B: Using the Laws of Electric Charge
For the following questions, describe what the charge is on each object and the law of
electric charge which applies to motion being observed.
Objects
Charge on each
object
8.
Rod-
- - + - + - + - + - -
rod
Pithball-
+ +
- +
pithball
9.
Rod-
+ - + + + + + - + - +
+ +
- +
rod
Pithball-
pithball
10.
Rod-
+ - + - + - + - + - +
rod
+ - -
pithball
Pithball-
Explanation of Movement using Laws of
Electric Charge