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December 22, 2013
FCC Technician Exam Question Of The Day (T5D02)
Q) What formula is used to calculate voltage in a circuit?
A) Voltage (E) equals current (I) multiplied by resistance (R)
NJ2X Notes
:
Ohm's Law was discovered by Georg Simon Ohm and is worth committing to memory:
E = I * R
or by manipulating the terms algebraically:
I = E / R
or
R = E / I
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