List of All Electrodynamics Formulas

All Electrodynamics Formulas List

Stored Energy with Potential Difference


Stored Energy with Potential Difference:

Stored Energy:
Capacitance:
Potential Difference:
where,
U = Stored Energy,
C = Capacitance,
V = Potential Difference.

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Stored Energy with Electrical Charge


Stored Energy with Electrical Charge:
Stored Energy:
Capacitance:
Electrical Charge:
where,
U = Stored Energy,
C = Capacitance,
Q = Electrical Charge.

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Energy Storage, Potential Difference and Electrical Charge

Energy Storage:

Energy Storage:

Potential Difference:

Electrical Charge:

where,
U = Energy Storage,
V = Potential Difference,
Q = Electrical Charge.

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AC / DC Voltage Drop

Formula:

Voltage drop (Vd)=P*I*L*R/D


Where,

I= Current Load of circuit
L=Cable length
R= Resistance factor of cable material
D= cross sectional area of conductor
P=2 for Single phase
1.732 for three phase

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Energy Consumption

Formula:

Electricity Unit = (30 x n x W x H) / 1000


Where,

W = Energy Consumption Unit (watts)
H = Time (hours)
n = Number of Appliances

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Molecular Diffusion Coefficient

Formula :

Molecular Diffusion Coefficient



Where,

C = concentration at z,
Co = initial concentration,
z = distance from the source,
p = porosity,
D = coefficient of molecular diffusion,
t = tortuosity,
t = time

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Sine Wave Angular Speed


Formula :
ω = 2 π f

Where ,

ω = Angular Speed
2π =2 x 3.14
f = Frequency

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Sine Wave Angular Speed / Frequency calculation is made easier here using this online electrical calculator.

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Debye Number

Formula:

NDe = (4/3)*π*ne*(λDe)3


Where,

NDe = Debye Number
ne = Electron Number Density
λDe = Electron Debye Length

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Debye Screening

Formula:

Φ(r) = (q*exp(-21/2*(r/λDe))) / (4*π*εo*r)


Where,

Φ(r) = Debye Screening
q = Point Charge
r = Distance From q
λDe = Electron Debye Length
εo = Permittivity Of Vacuum

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Capacitance

Formula:

Power Dissipated in Capacitor = (V x V) / R


Where,

R = Resistance
V = Voltage

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