Magnetic Flux Through The Open Surface S

B: magnitude of the magnetic field (T, tesla), α: angle between B and perpendicular line to surface S.

Magnetic Forces On Moving Charges

v: velocity of the charge (m/s)

Force On A Current Carrying-Wire

I: current (A), l: length of the wire (m)

Force Between Two Parallel Current-Carrying Wire

r: distance between two wires (m)

Magnetic Field Of A Long Current Charge Wire

r: perpendicular distance from the center of the wire (m)

Magnetic Field Of A Loop

N: numbers of turns per unit length of solenoid (turns/m)

Induced Electromotive Force- Faraday's Law

N: numbers of turns per loop (turns/m)


Electric Energy

Magnetic Energy

Electric-Magnetic Energy