Electricity and circuit

A bulb has

• (a) two terminals and one filament

• (b) two terminals and two filaments

• (c) multiple terminals and single filament

• (d) single terminal and single filament

Filament of a bulb is made up of

• (a) aluminium

• (b) chromium

• (c) platinum

• (d) tungsten

An electrical cell has two terminals, a positive and a ……………

Which of the following statements is true?

• ^{Electricity can be created}.

• Electricity flows in a circuit with gaps.

• A cell converts chemical energy to electrical energy.

• ^{A cell consists of three terminals.}

Why is a switch used in a circuit?

• A)

  To save energy

• B)

  To complete or break a circuit

• C)

  To prevent electric shocks

• D)

  To make the bulb glow easily

A light bulb will shine brighter when

• An extra light bulb is added to the circuit

• An additional battery is added

• A smaller battery is used

• The switch is open in the circuit

Electric current moves in only one direction.

• True

• False

An electric bulb has ____ terminals.

• 2

• 3

• 4

• 5

• 10

A conductor is ____________

• something that allows electric current to flow easily

• something that limits the flow of electricity

A combination of two or more electric cells is called _____

• Terminals

• Electric circuit

• Battery

• None of these