ELECTRICITY AND CIRCUITS

How many terminals are there in a dry cell?

• One

• Two

• Three

• Four

An example of a conductor is

• tap water

• salt solution

• metal wire

• all of these

A substance which allows electricity to pass through it is called

• a conductor

• an insulator

• semiconductor

• superconductor

Bulb glows only in

• closed circuit

• open circuit

• in both circuits

• open circuit if bulb is not fused

Filament of a bulb is made up of

• aluminium

• chromium

• platinum

• tungsten

A bulb has

• two terminals and one filament

• two terminals and two filaments

• multiple terminals and single filament

• single terminal and single filament

Which statement is true?

• The light bulb will light up because the  circuit is complete.
• The light bulb will light up because the  circuit is broken.
• The light bulb will not light up because the  circuit is complete.
• The light bulb will not light up because the  circuit is broken.

What are the materials that do not allow electric to pass through them called?

• Insulators

• Conductors

• Circuits

• Filaments

A thin wire that emits light in a bulb is known as________.

• Insulator

• Filament

• Reflector

• Refractor

What are the two terminals of an electric cell called?

• Left terminal, Right terminal

• Positive terminal, Negative terminal

• Upper terminal, Lower terminal

• High terminal, Low terminal