8a. Magnetic Fields Flashcards
1
Q
Flemings left hand rule - state the meaning of each of the fingers
A
First finger - field
Middle finger - current
Thumb - force or motion
2
Q
Flemings right hand rule - state the meaning of each of the fingers
A
First finger - field
Middle finger - current
Thumb - force or motion
3
Q
Lenz’s Law
A
The induced EMF and hence current is in a direction such to oppose the change in flux that created it
4
Q
Faradays Law
A
The induced EMF is equal to the rate of change of magnetic flux linkage