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WorksheetsStatic Electricity
Total questions: 10
Worksheet time: 8mins
1. A plastic bag rubbed with cotton wool acquired a positive charge. This happened because:
(a) the plastic acquired extra protons from the cotton.
(b) the plastic acquired extra protons on rubbing.
(c) new protons were created on the plastic while rubbing.
(d) the plastic lost electrons to the cotton during rubbing.
2. When electrons are removed from an atom, then it is called (a) .
3. State the Law of Electrostatic Attraction and Repulsion.
4. Electricity is due to electric charges. Electricity can flow through wires but there is a kind of electricity ______called that does not flow through wires.
a) current electricity
b) static electricity
c) an electric circuit
5. A stable atoms contains 7 protons and 6 neutrons, its charge will be _____.
a) positive
b) negative
c) neutral
6. If an electroscope, charged up with excess negative charge, is touched and grounded, then it will end up with ___ charge.
no
a negative
a positive
a) no charge
b) a negative
c) a positive
7. Which of the following charging methods can result in charging an object with a negative charge? Choose all that apply.
a. charging by friction
b. charging by contact
c. charging by induction
8. What can happen when you touch a metal doorknob after rubbing your shoes on the carpet?
The doorknob sends a burst of electric current into your body
Millions of electrons go from your finger into the doorknob
Our negatively charged body becomes positively charged
Our finger becomes negatively charged
9. Rubbing a balloon on hair is an example of static charge build up created by....
10. The girl's hair and the comb are attracting one another. The hair and the comb have
