Denoted 
or V and also called electric potential. An induced voltage is sometimes called an electromotive force, although this terminology is somewhat archaic. Voltage is defined by the line integral
Therefore, in a constant electric field,
The voltage induced by a point charge q at a distance r in cgs is
and in MKS is
where
is the permittivity of free space.
For a capacitor,
for an inductor,
and for a resistor,
The MKS unit of voltage is the volt. Another unit is the statvolt.
or V and also called electric potential. An induced voltage is sometimes called an electromotive force, although this terminology is somewhat archaic. Voltage is defined by the line integral(1)
Therefore, in a constant electric field,
(2)
The voltage induced by a point charge q at a distance r in cgs is
(3)
and in MKS is
(4)
where
is the permittivity of free space.For a capacitor,
(5)
for an inductor,
(6)
and for a resistor,
(7)
The MKS unit of voltage is the volt. Another unit is the statvolt.
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