Charge

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

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

Tags

NGSS.MS-PS2-5

There are two types of electrical charges :

• positive charge

• negative charge

• neutral

• non-moving charge

Choose TWO objects that positively charged when rubbed.

• Silk cloth

• Cellulose acetate

• Polythene

• Glass

Choose TWO objects that negatively charged when rubbed.

• Nylon

• Polythene

• Glass

• Animal fur

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which following instrument is required to detect static electrical charges.

• Voltmeter

• Galvanometer

• Ammeter

• Electroscope

A Van de Graff generator is applied to ________________________

• produce same charges

• produce different charges

• generate electrical charges