Quiz 2 Circuit May 9

Draw a simple Circuit with a bulb, a switch and a cell.

What will happen to the bulb in the circuit when the switch is closed?

Answer explanation

The bulb will glow as the circuit is complete and electricity passes through a complete circuit.

What will happen to the bulb if you remove the wire connecting the battery and the switch?

Answer explanation

the bulb will not glow as once the wire is removed we will have an incomplete circuit. Electricity cannot flow through an incomplete circuit as there is a break in the circuit.

What would happen if you added two more bulbs in the circuit? Would the bulbs glow brighter or be dim?

Answer explanation

the bulbs will be dim . the three bulbs will glow less bright as only one cell has to provide energy to 3 bulbs.

Why does a bulb light up when you close the switch of the circuit?

Answer explanation

the bulb lights up when we close the switch as the electricity passes through the complete circuit

What must you do with the switch to break the circuit?

Answer explanation

open the switch

____________ a switch completes a circuit and allows electric current to flow.

______________ the switch breaks the circuit. This means the current will not flow through the circuit.

Electricity can flow in only _________________ direction.

What do you mean by a complete circuit?

Answer explanation

A complete circuit is a circuit which has no breaks or gaps in them. The current will have a continuous path in a complete circuit.