Moving charges in a magnetic field (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the formula for the force on a charge moving at velocity perpendicular to field ?
What is the formula for the force on a charge moving at velocity perpendicular to field ?
In Fleming's Left-Hand Rule, what does the thumb represent?
In Fleming's Left-Hand Rule, what does the thumb represent?
Motion (or 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
In Fleming's Left-Hand Rule, what does the second finger represent?
In Fleming's Left-Hand Rule, what does the second finger represent?
Conventional current
For a negative charge, how do you modify Fleming's Left-Hand Rule?
For a negative charge, how do you modify Fleming's Left-Hand Rule?
Reverse second finger direction
What is the direction of magnetic force on a moving charged particle?
What is the direction of magnetic force on a moving charged particle?
Perpendicular to its motion
What path does a charged particle follow when entering a magnetic field?
What path does a charged particle follow when entering a magnetic field?
Circular path
What is the formula for radius of a charged particle's circular path in a magnetic field?
What is the formula for radius of a charged particle's circular path in a magnetic field?
What does the magnetic field in a cyclotron do to the particles?
What does the magnetic field in a cyclotron do to the particles?
Changes direction only
What accelerates particles across the gap between the Dees in a cyclotron?
What accelerates particles across the gap between the Dees in a cyclotron?
Electric field