magnetic field Flashcards
1
Q
biot savart law formula
A
db=uo(idlsintheta)/4pir²
2
Q
magnetic field due to finite straight current carrying wire
A
B=uo i(sinphi1+sinphi2)/4pi.a
3
Q
B due to straight infinite wire
A
uo/4pi (2i/a)
4
Q
B due to current carryIng circular loop
A
B=uo.i/2a
5
Q
B on the axis of current carrying circular loop
A
uo.iR²/2(R²+x²)^3/2
6
Q
amperes circuital law state
A
line integral of B around any closed path in free space is uo times the net current through surface enclosed
7
Q
solenoid rests in which direction on suspending
A
N-S
8
Q
B due to solenoid
A
uoni
9
Q
force on a moving charge in B
A
F=qvbsintheta
10
Q
R formula based on formula of F
A
R=mv/qB
11
Q
which velocity comp is responsible for circular motion
A
vsintheta
12
Q
pitch formula
A
vcostheta×2pim/qB
13
Q
lorentz F formula
A
qE+q(v×b)
14
Q
w=?
A
qB/m
15
Q
force on i carrying wire in B
A
iblsintheta
