The Motor Effect (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a current in a wire produce?
What does a current in a wire produce?
A magnetic field
What rule determines the direction of a magnetic field around a current-carrying wire?
What rule determines the direction of a magnetic field around a current-carrying wire?
Right hand grip rule
What can be used to show the magnetic field around a wire?
What can be used to show the magnetic field around a wire?
Plotting compasses
How does increasing the current affect the magnetic field strength?
How does increasing the current affect the magnetic field strength?
Makes it stronger
What happens to the magnetic field as distance from the wire increases?
What happens to the magnetic field as distance from the wire increases?
It gets weaker
What is the magnetic field shape of a solenoid similar to?
What is the magnetic field shape of a solenoid similar to?
A bar magnet
Why does a solenoid enhance the magnetic effect?
Why does a solenoid enhance the magnetic effect?
Fields align to form one large field
What happens when an iron core is placed in a solenoid's centre?
What happens when an iron core is placed in a solenoid's centre?
Strength increases
Why does an iron core increase a solenoid's strength?
Why does an iron core increase a solenoid's strength?
Field lines pass through easier
Which factor does NOT affect solenoid strength?
Which factor does NOT affect solenoid strength?
Wire colour