10.8 Factors Affecting EMF
1. Rate of Change of Magnetic Flux
Faraday's law suggests that faster changes in magnetic flux result in greater induced emf.
2. Number of Turns of the Coil
According to Faraday's law, induced emf is also proportional to the number of turns of the coil. More turns result in a greater induced emf.
3. Relative Speed
The speed of the coil (or conductor) through a magnetic field also affects the magnitude of the induced emf. Faster speed increases the rate of change of magnetic flux that results into an increase in the induced emf.