Electromagnetic (EM) Induction (AQA GCSE Physics): Flashcards
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Definition of electromagnetic induction
Definition of electromagnetic induction
Inducing potential difference when conductor moves in magnetic field or field changes around conductor
Alternative name for electromagnetic induction
Alternative name for electromagnetic induction
Generator effect
Relation of EM induction to motor effect
Relation of EM induction to motor effect
Opposite - generates electricity from motion
Requirement for EM induction to occur
Requirement for EM induction to occur
Relative movement between conductor and magnetic field
Type of current from magnet moving back & forth in coil
Type of current from magnet moving back & forth in coil
Alternating current
Effect of induced current's magnetic field
Effect of induced current's magnetic field
Opposes the change that created it
How to reverse induced PD direction (movement)
How to reverse induced PD direction (movement)
Change movement of conductor relative to field
How to reverse induced PD direction (field)
How to reverse induced PD direction (field)
Change direction of magnetic field
How to increase induced PD (speed)
How to increase induced PD (speed)
Increase speed of relative motion
How to increase induced PD (coil)
How to increase induced PD (coil)
Add more turns to the coil
How to increase induced PD (field strength)
How to increase induced PD (field strength)
Increase strength of magnetic field
What EM induction generates from motion
What EM induction generates from motion
Electricity