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WorksheetsForm 1 Chapter 7.1 Electrostatic charges
Total questions: 18
Worksheet time: 10mins
Electrostatic charges is static or non-moving charges.
True
False
Object that receives electron and has more electrons than protons in its body is known as __________ charged object
negatively
positively
neutrally
Electrostatic force is the attraction and repulsion of electrical charges.
True
False
Neutral object
Negatively charged object
Positively charged object
Neutral object
Negatively charged object
Positively charged object
Neutral object
Negatively charged object
Positively charged object
Hair attracted to the balloon because
Different charges between them repel
Different charge between them attract
Same charge between them attract
Same charge between them repel
What is the name of this device that is used to detect charges?
galvanometer
electroscope
van de graff generator
ammeter
When the comb is ________ on the cloth, the electrostatic charges are produced.
rubbed
attracted
contacted
touched
Choose THREE correct statements about electrostatic charges
Electrical charges are produced through friction
A substances loses and electron becomes positively charged
Two same charges attract each other
A substance loses an electron become negatively charged
The repulsion and attraction produce a force
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
The balloon is negatively charged and hair is neutral
Both balloon and hair are same charged
The balloon and hair are different charged
Choose TWO correct statements how lightning happened.
The friction of air and cloud produce electric charges
The upper part cloud is negatively charged
The negative charges in the clouds are attracted to the positive charges on the surface of the earth
The positive charges in the clouds are attracted to the negative charges on the surface of the earth
The ground is negatively charged
Choose a correct way to solve problem when television become so dusty easily.
Use nylon cloth
Use silk cloth
Use microfiber cloth
Use woolen cloth
Oil tank trucks become static when charged with air particles. Thus a metal chain was installed to flow ............ to Earth to prevent fire.
oil
air particles
charges
neutron
High buildings like KLCC are not lightning strikes because they have ....................... to drain electricity charges from lightning to Earth.
iron metal
metal chain
lightning conductor
electricity conductor
When two materials are scrubbed, the transfer of ................ will occur.
proton
neutron
electron
proton
The gold leave diverges
The gold leaf does not diverge
The gold leaf diverges
The gold leaf does not diverge
