FORMULA SHEET

Constants and definitions: e_o = 8.85 X 10^-12 C²/(N m²); 1 ampere (A) = 1 C/s; 1 volt (V) = 1 J/C; 1 farad (F) = 1 C/V; 1 ohm (W) = 1 V/A; 1 tesla (T) = 1 N/(A m); 1 weber (Wb) = 1 T m² = 1 J/A; and 1 henry (H) = Wb/A = 1 J/A².

Newton’s law of acceleration: .

Gauss’ law:

Ohm’s law: or .

Electric Field:

Force on charge Q: .

Group of point charges: .

Continuous charge: .

Work: Work-Energy theorem: .

Conservative force: .

Power:

Force:

Coulomb’s: .

Lorentz:

Torque: .

Conductor in electrostatic equilibrium: 1. The electric field is zero everywhere. 2. Excess charge resides on the surface. 3. The electric field is perpendicular to the surface.

Resistance: .

power: .

Current: .

Flux: