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Physics B E & M
Electricity and magnetism equations.
15
Physics
Undergraduate 1
05/10/2008
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Cards

Term
Force On A Point Charge
 Definition
q1q2 / 4(pi)E0r2
Term

Magnitude of a Magnetic Field

 Definition
F / q
Term
Potential Energy of an Electric Field
 Definition
qV or Force times the radius
Term
Average Electric Field
 Definition
-V / d
Term

Capacitance

 Definition
Q / V
Term
Basic Capacitance
 Definition
(electric permeability of free space)A / d
Term
Potential Energy of a Capacitor
 Definition
.5QV or .5CV2
Term
Average Current
 Definition
change in charge / change in time
Term
Resistance
 Definition
(resistivity)l / A
Term
Ohm's Law
 Definition
V=IR
Term
Power
 Definition
IV
Term
Force of a Magnetic Field
 Definition

qvBsin(angle)

 

BIlsin(angle)
Term
Magnetic Field Strength
 Definition
(Permeability of a Vacuum)I / 2(pi)r
Term
Magnetic Flux
 Definition
BAcos(angle)
Term
Average Electrical Potential
 Definition
-(change in flux) / t
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