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8 questions
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
The two same charges will _________ each other
attract
repel
opposite
The two different charges will ___________ each other.
repel
attract
opposite
Only ____________________ can move from one another object to another object when rubbed.
neutron
electron
proton
There are two types of electrical charges :
positive charge
negative charge
neutral
non-moving charge
Which following instrument is required to detect static electrical charges.
Voltmeter
Galvanometer
Ammeter
Electroscope
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
A Van de Graff generator is applied to ________________________
produce same charges
produce different charges
generate electrical charges
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