The power in a circuit when voltage and resistance is given can be found by
- V*R.
- V*V*R.
- V*V / R.
Explanation from PART66Online
Combining P = V x I with Ohm's law I = V/R gives P = V squared / R, so power from voltage and resistance is V x V / R. The forms V x R and V x V x R do not follow from the power and Ohm's-law relationships.
B
bikashkhadka06 asked · 25 Jan 2023
Can someone do this ?
Community Comments (2)
B
Bruce
13 Apr 2023
P=V*I ==> P=(I*I)*R ==> (V*V)/R
These are the three main formulas to find the electrical power. You only need two of these three parameters : Tension (V), Resistance (R) and Current (I)
These are the three main formulas to find the electrical power. You only need two of these three parameters : Tension (V), Resistance (R) and Current (I)
S
santosh42
8 Sep 2025
V*V/R
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