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- 1. Multiple Choice
Choose THREE correct statements about electrostatic charges
Electrical charges are produced through friction
A substance loses an electron become negatively charged
A substances loses and electron becomes positively charged
The repulsion and attraction produce a force
Two same charges attract each other
- 2. Multiple Choice
The two same charges will _________ each other
attract
repel
opposite
- 3. Multiple Choice
The two different charges will ___________ each other.
repel
attract
opposite
- 4. Multiple Choice
Only ____________________ can move from one another object to another object when rubbed.
neutron
electron
proton
- 5. Multiple Choice
There are two types of electrical charges :
positive charge
negative charge
neutral
non-moving charge
- 6. Multiple Choice
Choose TWO objects that positively charged when rubbed.
Silk cloth
Cellulose acetate
Polythene
Glass
- 7. Multiple Choice
Choose TWO objects that negatively charged when rubbed.
Nylon
Polythene
Glass
Animal fur
- 8. Multiple Choice
Which following instrument is required to detect static electrical charges.
Voltmeter
Galvanometer
Ammeter
Electroscope
- 9. Multiple Choice
Choose the correct reason why the hair stand and attracted to the balloon when the balloon is rubbed to the hair?
Both balloon and hair are neutral
Both balloon and hair are same charged
The balloon is negatively charged and hair is neutral
The balloon and hair are different charged
- 10. Multiple Choice
A Van de Graff generator is applied to ________________________
produce same charges
produce different charges
generate electrical charges
- 11. Multiple Choice
Choose TWO correct statements how lightning happened.
The upper part cloud is negatively charged
The ground is negatively charged
The friction of air and cloud produce electric charges
Force of repulsion occur between the ground and cloud
- 12. Multiple Choice
Choose a correct way to solve problem when television become so dusty easily.
Use nylon cloth
Use microfiber cloth
Use silk cloth
Use woolen cloth
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