Following are the formulas for computing voltage, current, resistance and power. Traditionally, E is used for voltage (energy), but V is often substituted.
V or E = voltage (E=energy)
I = current in amps (I=intensity)
R = resistance in ohms
P = power in watts
V = I * R E = I * R
I = V / R I = E / R
R = V / I R = E / I
P = V * I P = E * I
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
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