Motors & solenoids (Edexcel GCSE Physics): Quizzes
📚Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is electromagnetic induction?
What is electromagnetic induction?
Moving wire in magnetic field makes current
How does the strength of the magnetic field change with distance from a current-carrying wire?
How does the strength of the magnetic field change with distance from a current-carrying wire?
Stronger closer to the wire
What happens to the magnetic field strength when the current in a wire increases?
What happens to the magnetic field strength when the current in a wire increases?
The magnetic field increases
If current flows upward in a wire, which direction does the magnetic field go?
If current flows upward in a wire, which direction does the magnetic field go?
Anticlockwise
If current flows downward in a wire, which direction does the magnetic field go?
If current flows downward in a wire, which direction does the magnetic field go?
Clockwise
In the right-hand grip rule, what does your thumb represent?
In the right-hand grip rule, what does your thumb represent?
Direction of current
In Fleming's left-hand rule, what does the thumb represent?
In Fleming's left-hand rule, what does the thumb represent?
Direction of force
In Fleming's left-hand rule, what does the first finger represent?
In Fleming's left-hand rule, what does the first finger represent?
Magnetic field (North to South)
What energy conversion occurs in an electric motor?
What energy conversion occurs in an electric motor?
Electrical energy to movement
What is the function of the commutator and brushes in a motor?
What is the function of the commutator and brushes in a motor?
Switch current direction to keep spinning
What is the magnetic field like inside a solenoid when current flows?
What is the magnetic field like inside a solenoid when current flows?
Strong and uniform
Which is a real-life application of a solenoid?
Which is a real-life application of a solenoid?
Electric door locks