Permanent & Induced Magnetism, Magnetic Forces & Fields (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is a defining feature of permanent magnets?
What is a defining feature of permanent magnets?
They always create their own magnetic field
Can the magnetism of a permanent magnet be turned on and off?
Can the magnetism of a permanent magnet be turned on and off?
No, it cannot
Which of these are examples of permanent magnets?
Which of these are examples of permanent magnets?
Bar and horseshoe magnets
What is another name for induced magnets?
What is another name for induced magnets?
Temporary magnets
When do induced magnets become magnetised?
When do induced magnets become magnetised?
When placed in a magnetic field
Can induced magnets repel other magnets?
Can induced magnets repel other magnets?
No, they only attract
What happens to induced magnets when the magnetic field is removed?
What happens to induced magnets when the magnetic field is removed?
They lose most or all magnetism
Do induced magnets have fixed poles?
Do induced magnets have fixed poles?
No, they do not
How can induced magnets be made into temporary magnets?
How can induced magnets be made into temporary magnets?
By stroking with a permanent magnet
What force exists between permanent and induced magnets when near each other?
What force exists between permanent and induced magnets when near each other?
Always attraction
Which materials can become induced magnets?
Which materials can become induced magnets?
Iron, Nickel, Cobalt
What is an example of induced magnets?
What is an example of induced magnets?
Iron filings near a bar magnet