Electromagnetism & motor effect (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the motor effect?
What is the motor effect?
Wire with current feels force in magnetic field
At what angle must a wire be to a magnetic field to experience full force?
At what angle must a wire be to a magnetic field to experience full force?
90 degrees
What force does a wire feel when parallel to the magnetic field?
What force does a wire feel when parallel to the magnetic field?
No force
The force on a current-carrying wire is at what angle to the wire and field?
The force on a current-carrying wire is at what angle to the wire and field?
Right angle to both
In Fleming's left-hand rule, what does the index finger represent?
In Fleming's left-hand rule, what does the index finger represent?
Magnetic field direction
In Fleming's left-hand rule, what does the middle finger represent?
In Fleming's left-hand rule, what does the middle finger represent?
Current direction
In Fleming's left-hand rule, what does the thumb represent?
In Fleming's left-hand rule, what does the thumb represent?
Force direction
What angle are the directions to each other in Fleming's left-hand rule?
What angle are the directions to each other in Fleming's left-hand rule?
90°
What type of current is used in Fleming's left-hand rule?
What type of current is used in Fleming's left-hand rule?
Conventional current
What is the formula for force on a current-carrying wire in a magnetic field?
What is the formula for force on a current-carrying wire in a magnetic field?
What is the unit for magnetic flux density?
What is the unit for magnetic flux density?
Tesla (T)
What does magnetic flux density measure?
What does magnetic flux density measure?
Flux lines per metre squared