The Motor Effect (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Practise the cards
10 cards from this deck
What is the motor effect?
What is the motor effect?
When a wire carrying current experiences a force in a magnetic field
What does a current-carrying wire produce?
What does a current-carrying wire produce?
Its own magnetic field
What happens when a current-carrying wire is placed between magnet poles?
What happens when a current-carrying wire is placed between magnet poles?
The two magnetic fields interact
What results from interacting magnetic fields on a wire?
What results from interacting magnetic fields on a wire?
A force on the wire
Direction of force in motor effect
Direction of force in motor effect
At (right angle) to both current direction and magnetic field
Angle for maximum force in motor effect
Angle for maximum force in motor effect
to the magnetic field
Force when wire not at to field
Force when wire not at to field
Less force
Force when wire parallel to magnetic field
Force when wire parallel to magnetic field
No force
What 2 things are needed to find force direction?
What 2 things are needed to find force direction?
Direction of magnetic field and direction of current
What does the force do to the wire in motor effect?
What does the force do to the wire in motor effect?
Pushes it out of the field