Comparison of Units in Electric and Magnetic Circuits
Force, . . . . . . . . . . . . . .
Flow . . . . . . . . . . . . . . .
Opposition . . . . . . . . . .
Law . . . . . . . . . . . . . . . .
Intensity of force . . . .
Density . . . . . . . . . . . . .
Electric circuit
Volt, E, or emf
Ampere, I
Ohms, R
Ohm’s law, I=;
Volts per cm of length.
Current density—for
example, amperes per
cm2.
Magnetic circuit
Gilberts, F, or mmf
Flux,
f,
in maxwells
Reluctance, R
Rowland’s law,
f
= ~
H = 1.257IN
L
’
gilberts
per centimeter of length.
Flux density—for
example, lines per cm2
or gausses.
AIII-6
