Force on a Current-Carrying Conductor in a Magnetic Field (Leaving Cert Physics): Quizzes
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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?
Force on a current-carrying conductor in a magnetic field
When does a current-carrying conductor NOT experience a force in a magnetic field?
When does a current-carrying conductor NOT experience a force in a magnetic field?
When parallel to the field lines
The force on a current-carrying conductor is perpendicular to what?
The force on a current-carrying conductor is perpendicular to what?
Both current and magnetic field
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 direction
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 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 happens to aluminium foil between magnets when current flows through it?
What happens to aluminium foil between magnets when current flows through it?
It moves forwards or backwards
The force on a current-carrying conductor is directly proportional to which factors?
The force on a current-carrying conductor is directly proportional to which factors?
Current, length, and field strength
What is the equation for force on a current-carrying conductor in a magnetic field?
What is the equation for force on a current-carrying conductor in a magnetic field?
What is the unit of magnetic flux density?
What is the unit of magnetic flux density?
Tesla (T)
Is magnetic flux density a vector or scalar quantity?
Is magnetic flux density a vector or scalar quantity?
Vector quantity
What practical device uses the motor effect principle?
What practical device uses the motor effect principle?
Electric motors