Electric Field Flashcards
What does E stand for
Electric field
Two opposite charged objects
attract
Charge Per Length
Q/L
Ξ» for ring
Q/(2π r)
flux
quantity of something passing through a given area
planar symmetry
system only varies with distance from a plane
π
charge per unit area (surface charge density)
π
charge per unit volume (volume charge density)
Enet
Sum of Es
Q or q
Charge
Ξ»=?
Q/L
POI
Point of Interest
Units for π
coulombs per square meter (C/m^2)
Units for π
coulombs per cubic meter (C/m^3)
What is r?
radius
What is D?
Distance to POI
electrons to coulombs conversion
6.242 x 10^18 e/C
units of Ξ»
coulombs/meter
When verticle components cancel
No jhat
Two of the same charges
Repel
What is capital Q?
The total charge
Whatβs the hypotenuse side length in a 3-4-5 right triangle?
5
derivates
used to find small piece of something
Which shape involves Ξ» in its equation?
Ring and line