electrostatics Flashcards
1
Q
force?
A
kq1q2/r^2 , k= 9*10^9
2
Q
EF?
A
kq/r^2 , F/Q
3
Q
w?
A
qv, PE[cos1-cos2]
4
Q
EF axis of dipole
A
k2pr/[r^2-a^2]^2, k2p/r^3
5
Q
EF on equatorial plane
A
-kp/[r^2+a^2]^3/2, -kp/r^3
6
Q
dipole in uniform external EF experience ?
A
torque only
7
Q
dipole in non uniform EF experience ?
A
torque and force
7
Q
flux?
A
E.A, EAcos
7
Q
unit pf flux
A
NC^-1m^2
8
Q
gauss eqn
A
flux=q/Eo
8
Q
EF due to infinitely long wire
A
lambda/2pieEor
9
Q
EF due to infinite plane sheet
A
sigma/2Eo
10
Q
A