KS3 Combined Science
Electricity and magnetism
22 questions2 subtopics
What's covered
Electricity and circuits12
Magnetism and electromagnets10
Sample questions
A taste of the 22 questions in this topic — answers marked. Sign up to practise the full set with spaced repetition.
1Electricity and circuits
What is electric current?
- ✓Rate of flow of electric charge
- •Stored energy in a battery
- •Total amount of charge
- •Voltage in a circuit
2Magnetism and electromagnets
Where is the magnetic field strongest around a bar magnet?
- ✓At the poles
- •Far from the magnet
- •In the middle
- •Inside the magnet
3Electricity and circuits
In a series circuit, current is:
- •Different at each component
- ✓Same at every point
- •Splits between branches
- •Zero between components
4Magnetism and electromagnets
Like magnetic poles do what?
- •Attract each other
- •Cancel each other out
- •Form a current
- ✓Repel each other
5Electricity and circuits
In a parallel circuit, voltage across each branch is:
- •Doubled at each branch
- •Split between branches
- ✓The same as the supply
- •Zero except for one
6Magnetism and electromagnets
What materials are attracted to magnets?
- •Aluminium, copper, gold
- ✓Iron, steel, nickel, cobalt
- •Water, oil, salt
- •Wood, plastic, glass
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