Some Natural Phenomena

The process of transfer of charges from a charged object to the earth is called

• earthing

• lightning

• electron movement

• oscillation motion

How many types of charges are gained by rubbing objects?

• 2

• 1

• 3

• 4

Tags

NGSS.MS-PS2-3

When two bodies are rubbed against each other, they acquire

• Equal charge

• like charge

• unlike charge

• unequal charge

A device used to test whether an object is carrying charge or not is called ______.

• Electrometer

• Charge meter

• Electroscope

• Chargoscope

During a thunderstorm which action may not be done?

• Switching on / off electric lights

• Using a mobile phone

• Using Telephone having cord

• None of the above

The electrical charge generated by rubbing two objects is ………….

Electric current is to be passed from one body to another. For this purpose, the two bodies must be joined by

• cotton thread

• plastic string

• copper wire

• rubber band

Earthquakes can cause

• Tsunami

• Landslide

• Lightning

The process of electric discharge cannot occur between clouds and the earth.

• true

• false

The aluminium strips in an electroscope as shown in fig. 15.1 are replaced by plastic strips and a charged body is brought in contact with the metal clip. What will happen?