The Motor Effect (AQA GCSE Physics Combined Science): Flashcards
📚Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
Effect of current in a wire
Effect of current in a wire
Produces a magnetic field
Rule for magnetic field direction around wire
Rule for magnetic field direction around wire
Right hand grip rule
Effect of greater current on magnetic field
Effect of greater current on magnetic field
Stronger magnetic field
Effect of greater distance from wire on field
Effect of greater distance from wire on field
Weaker magnetic field
Shape of solenoid's magnetic field
Shape of solenoid's magnetic field
Similar to a bar magnet
Why solenoid enhances magnetic effect
Why solenoid enhances magnetic effect
Coiling aligns fields to form one giant field
Effect of iron core in solenoid centre
Effect of iron core in solenoid centre
Increases its strength
Why iron core increases solenoid strength
Why iron core increases solenoid strength
Field lines pass through iron easier than air
Solenoid strength factor: current size
Solenoid strength factor: current size
Greater current = stronger field
Solenoid strength factor: number of turns
Solenoid strength factor: number of turns
More coils = stronger field
Five factors affecting solenoid strength
Five factors affecting solenoid strength
Current, length, area, turns, iron core
Type of core that increases solenoid strength
Type of core that increases solenoid strength
Soft iron core