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Electrostatics/Electrodynamics

Electrodynamics

Electric Charges In Motion

Electric Circuit

Resistance

Conductance

Reciprocal Of Resistance

Temperature

Cross-sectional Area

Length

Material

Ohm's Law - I = V/R

R = Resistance In Ohms

V = Potential Difference In Volts

I = Current In Amperes

Ohm = Resitance Of Column Of Mercury: 14.45g wt./106.3 cm ht.

Property Of Circuit Which Hinders/Opposes Current Flow

Current

Ampere (Amp) = 1 Coulomb Charge Flowing Per Second

Amount Of Charge Flowing Per Second

Potential Difference

1 Volt = 1 Joule/Coulomb

EMF (Electromotive Force) = Maximum Difference Of Potential

Drives the Electrons

Electrostatics

Static Electricity

Laws

Force Between Charges

Coulomb's Law

D is distance in meters

Q is quantity in Coulombs

k is medium dependent constant

F = Force In Newtons

F = k([Q1 x Q2]/Dsq)

Directly Proportional To Product Of Their Quantities

Inversely Proportional To Square Of Distance Between Them

Electrification

Induction

Contact

Friction

Charges

Unlike Charges Attract

Like Charges Repel

Negative

Positive