|
K of vacuum
|
9 x 109
|
|
E
|
electric field
|
|
q
|
charge
|
|
r
|
distance between 2 charges
|
|
a
|
radius of circle
|
|
V
|
electrical potential due to a point charge
|
|
U
|
electric potential energy
|
|
When point is outside the shell
|
E = Kq/r2
|
|
When point is inside the shell
|
E = 0
|
|
When point is on the surface
|
E max = Kq/a2
|
|
When point is outside the shell
|
E = Kq/r2
|
|
When point is inside the shell
|
E = Kqr/a3
|
|
When point is on the surface
|
E max = Kq/a2
|
|
When point is outside the shell
|
V = Kq/r
|
|
when point is inside the shell
|
V = Kq/a
|
|
when point is on the surface
|
V = Kq/a
|
if you liked this cheat sheet and think it will or has helped you...pls let me know!!
Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
