Some Natural Phenomena

When a refill and a balloon are rubbed together they

• Attract each other

• Repel each other

• Blast

• No reaction they just stay the same

What is the device used to check if a object is charged

• Electroscope

• Electrolyte

• Charge Checker

• Electrobox

Like charges ______each other

What is earthing

• Transferring charges to Earth

• Protecting the switches so they don't blast

• Collecting charges from earth

• None of these

Small amount of electricity formed by rubbing

• Static

• Lightning

• Electricity

• Charges

What is a lightning container

• A metal rod that helps the lightning to reach the ground

• Anything that conducts lightning

• A metal container that takes lightning and converts it into electricity and that is used to power an electric appliance

Earthquake causes (any one)

Define richer scale

• a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations

• an instrument that measures and records details of earthquakes, such as force and duration.

• none of these

• π r²

Lightning occured when two charges they are:

• Both positive

• both negative

• one negative and one positive

• both neutral

How many types of charges are gained by rubbing objects?

• 2

• 1

• 3

• 4