Magnetic Fields in Wires & Solenoids (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does an electric current produce around a wire?
What does an electric current produce around a wire?
A magnetic field
What rule determines the direction of the magnetic field around a current-carrying wire?
What rule determines the direction of the magnetic field around a current-carrying wire?
Right hand grip rule
What happens to the magnetic field when current in a wire increases?
What happens to the magnetic field when current in a wire increases?
The field becomes 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?
The field becomes weaker
What does a solenoid's magnetic field shape resemble?
What does a solenoid's magnetic field shape resemble?
A bar magnet
Why does coiling wire in a solenoid enhance the magnetic effect?
Why does coiling wire in a solenoid enhance the magnetic effect?
Fields align to form one giant field
What effect does an iron core have on a solenoid?
What effect does an iron core have on a solenoid?
Increases its strength
Why does an iron core increase a solenoid's strength?
Why does an iron core increase a solenoid's strength?
Easier for field lines to pass through
Which factor affects the strength of a solenoid?
Which factor affects the strength of a solenoid?
Number of turns
Which does NOT affect a solenoid's strength?
Which does NOT affect a solenoid's strength?
Wire material colour