Motors & solenoids (Edexcel GCSE Physics): Flashcards
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Electromagnetic induction
Electromagnetic induction
Wire moving through magnetic field creates electricity
Field shape: current-carrying wire
Field shape: current-carrying wire
Circular
Field strength closer to wire
Field strength closer to wire
Stronger
Field direction: upward current
Field direction: upward current
Anticlockwise
Field direction: downward current
Field direction: downward current
Clockwise
Right-hand grip: thumb shows
Right-hand grip: thumb shows
Current direction
Right-hand grip: fingers show
Right-hand grip: fingers show
Magnetic field direction
Motor: energy conversion
Motor: energy conversion
Electrical to movement
Motor effect
Motor effect
Current in field causes force on wire
Fleming's left: thumb
Fleming's left: thumb
Force direction
Fleming's left: first finger
Fleming's left: first finger
Magnetic field (N to S)
Fleming's left: second finger
Fleming's left: second finger
Current (+ to -)
Solenoid
Solenoid
Coil of wire creating magnetic field when current flows