The Motor Effect (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
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10 questions from this quiz
What is the motor effect?
What is the motor effect?
Force on current-carrying wire in field
What does a current-carrying wire produce?
What does a current-carrying wire produce?
Its own magnetic field
What causes the force on the wire in the motor effect?
What causes the force on the wire in the motor effect?
Interaction of two magnetic fields
At what angle must the wire be to the field to experience the full force?
At what angle must the wire be to the field to experience the full force?
90 degrees
What force does the wire experience if it goes in the same direction as the field?
What force does the wire experience if it goes in the same direction as the field?
No force
What happens if the wire is at a different angle (not 90 degrees) to the field?
What happens if the wire is at a different angle (not 90 degrees) to the field?
It experiences less force
How is the force direction related to the wire and field directions?
How is the force direction related to the wire and field directions?
At right angle to both
What two things are needed to find the direction of the force?
What two things are needed to find the direction of the force?
Magnetic field & current directions
What does the interaction between the magnetic fields result in?
What does the interaction between the magnetic fields result in?
A force on the wire
Where is the wire placed to demonstrate the motor effect?
Where is the wire placed to demonstrate the motor effect?
Between N and S poles of magnets