Motor Effect Basics
IGCSE Edexcel Physics
6.12-6.14 Motor Effect
Key Concepts:
A force acts on a current in a magnetic field. Force depends on current and field strength.
Section A: Motor Effect
1. Describe the motor effect.
[2]
2. State two factors that increase the force on a current-carrying wire.
[2]
3. Give one application of the motor effect.
[2]
Total marks: 6
Mark Scheme
1.
A force acts on a current in a magnetic field [2]
2.
Increase current, increase field strength, change angle for max force [2]
3.
Electric motor or loudspeaker [2]