Edexcel IGCSE Physics · Spec 6.11P-6.16
Motor Effect, Loudspeakers and Generators (Paper 2)
Covers describe force on a moving charge, Explain a loudspeaker using the motor effect and Compare two generator arrangements.
Physics revision video
Motor Effect, Loudspeakers and Generators (Paper 2)
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Spec 6.11P-6.16
What you need to know
- Describe force on a moving charge
- Explain a loudspeaker using the motor effect
- Compare two generator arrangements
Active recall
Quick check
Answer each question before opening the answer.
When does a moving charge feel magnetic force?
When it moves non-parallel to the field
Why does a loudspeaker coil vibrate?
Alternating current repeatedly reverses the motor-effect force
Name two ways to increase induced voltage
For example faster motion or a stronger field
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