Equations to Memorize Flashcards
(8 cards)
1
Q
Electric Field on Continuous Charge Distribution
A
collection of point charges organized into a shape
dE = k(dq)/r² * r̂
2
Q
Linear Charge Density (λ)
A
UNIFORM OBJECTS ONLY
Q/L
Units: C/m
3
Q
Surface Charge Density (σ)
A
UNIFORM OBJECTS ONLY
Q/A
Units: C/m²
4
Q
Volumetric Charge Density (ρ)
A
UNIFORM OBJECTS ONLY
Q/V
Units: C/m^3
5
Q
Electric Power
A
P = IΔV = I²R = ΔV²/R
6
Q
Motional emf
A
ϵ = vBL (L = conductor length)
7
Q
Inductance of Ideal Solenoid
A
L = µN²A / l
(N = number of turns)
(l = length of solenoid)
(A = cross-sectional area)
8
Q
LC Circuits
A
SIMPLE HARMONIC MOTION
ω = 1/√(LC) = 2pi/T