important formulas Flashcards
1
Q
magnatic momentum of rotating charge
A
M =( CURRENT)( AREA) = I/2 qwR^2
2
Q
current
A
qw/ 2 pi
3
Q
magnetic mom / linear mom
A
M/L =q/2m
4
Q
magnetic induction
A
magnetic field
5
Q
arc =
A
(length ) aangle
6
Q
when a circular loop is placed in magnetic field how large must cuill lift up rrent be so ane edge of loop w
A
MB= mass )g ) r M = MAGNETIC MOMENTUM . B= MAGNETIC FIELD
7
Q
capillary rise
A
2T COS% /R DENSITY G
8
Q
right hand palm rule
A
The right hand rule states that: to determine the direction of the magnetic force on a positive moving charge, ƒ, point the thumb of the right hand in the direction of v, the fingers in the direction of B, and a perpendicular to the palm points in the direction of F.Jul 7, 2018
9
Q
gold no
A
1/ protective power
10
Q
tan@ =B vertical /B HORIZONTAL
A
@ ANGLE OF DIP
