Electrostatic Charges

Which following instrument is required to detect static electrical charges.

• Voltmeter

• Galvanometer

• Ammeter

• Electroscope

The two different charges will ___________ each other.

• repel

• attract

• opposite

Tags

NGSS.MS-PS2-3

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

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

A Van de Graff generator is applied to ________________________

• produce same charges

• produce different charges

• generate electrical charges

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Angel touches a dome of Van de Graaff. Her hairs stand up right due to

• Her body becomes positively charge

• Electron from her body flow to the Van de Graaff

• Same positive charges between hairs repel

• Same negative charges between hairs repel

Tags

NGSS.MS-PS2-3

Hair attracted to the balloon because

• Different electrical charges between them repel

• Different charge between them attract

• Same electrical charge between them attract

Tags

NGSS.MS-PS2-3