Measuring Current and Potential Difference

• Science
• Lower Secondary (Key Stage 3)

Cell

Battery

Ammeter

Voltmeter

Variable resistor

Open switch

Closed switch

Fixed resistor

Fuse

Filament bulb

In your book complete this table to create a full list of names and symbols

In your book complete this table to create a full list of names and symbols - Check your answers

Redraw this circuit to add an ammeter to measure the current

Redraw this circuit to add an voltmeter to measure the potential difference of bulb number 1

1        2

Which circuit(s) show current being measured correctly?

1. 
2. 
3. 
4. 

Which voltmeter is measuring something different?

1. 
2. 
3. 
4. 

What is wrong here?

Complete the circuit to show the symbols of the component used to measure potential difference and the component used to measure current.

V

A

What do we call the flow of electrons around a circuit?

1. Current
2. Potential difference
3. Resistance
4. Energy

Which component do we use to measure current?

1. Voltmeter
2. Ammeter
3. Resistor
4. Motor

Which component makes electricity flow in a circuit?

1. Switch
2. Fuse
3. Cell
4. Resistor

Which component can stop or start the current flowing?

What do we call 2 or more cells combined?