Understanding Simple Circuits

In physics, what is the correct term for a single unit that provides electrical energy in a circuit?

• Voltmeter

• Battery

• Cell

• Resistor

Which of the following is NOT a common circuit symbol used in Key Stage 3?

• Variable Resistor

• Cell

• Transformer

• Ammeter

What is the purpose of using symbols for circuit components?

• To make circuits more colorful

• To increase the size of the circuit

• To simplify the drawing of circuits

• To make circuits more complex

What happens to a lamp in a circuit if there is a gap in the wire?

• The lamp will explode

• The lamp will light up

• The lamp will flicker

• The lamp will not light up

How can you complete a circuit that has an open switch?

• By adding more wires

• By adding another battery

• By closing the switch

• By removing the lamp