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MECA Electronics

Ohm's Law & Calculator

Ohm's Law relates the three fundamental electrical quantities: voltage, current and resistance. Power relationships are also given.

Click here for a much more extensive treatment of Ohm's Law.

Ohm's Law triangle

 V = I · R    I = V
         R
   R = V
          I
 P = I · V  P = I2 R   P = V2
        R

I = Current (A)
P = Power (W)
R = Resistance (Ω)
V = Voltage (V)


Ohm's Law Calculator
Please click the Calculate Button for results
 
I= A V =  V
R= P =  W
 
V= V I =  A
R= P =  W
 
V= V R =  Ω
I= A P = W
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About RF Cafe
Kirt Blattenberger - RF Cafe Webmaster
Copyright: 1996 - 2018
Webmaster:
    Kirt Blattenberger,
    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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