6.6 Changing magnetic flux Flashcards
1
Q
What does magnetic flux density tell us
A
How close together magnetic field lines are, telling us the strength of the magnetic field
2
Q
Define magnetic flux
A
The product of magnetic flux density and the area through which it acts is called the magnetic flux through the area
3
Q
What is the equation for magnetic flux
A
phi = B x A
4
Q
What is change in magnetic flux divided by time better known as
A
Voltage
5
Q
What is the equation for magnetic flux linkage
A
Nphi or NBA
6
Q
Why is it important to know the rate of change of magnetic flux linkage
A
It is the key to understanding where our electricity supplies come from
