Magnitism Flashcards
(7 cards)
1
Q
What is the right hand rule for coils
A
Fingers: current
Thumb: B-Field (Points north)
2
Q
what do magnetic feild lines represent
A
The effect of the force
3
Q
What does teh density of magnetic feild lines mean
A
relative strength
4
Q
What direction does the magnetic feild go in the magnet
A
South to north
5
Q
What direction does the magnetic feild go outside the magnet
A
North to south
6
Q
What is the right hand rule for Electromagnetic force
A
Thumb: Current (I)
Fingers: B-Field Dot or X
Palm is force
7
Q
What is a commutator
A
Device that switches current direction
