The resistance r in ohms w is equal to the squared voltage v in volts v divided by the power p in watts w. Calculates voltage current resistance power.
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The resistance r in ohms w is equal to the voltage v in volts v divided by the current i in amps a.
Voltage resistance current calculator. When a voltage v and current i are given you can find out resistance using a simple formula for resistant. An ohm law calculator is also referred to as a resistance calculator as it helps you to calculate resistance. Voltage v current i resistance r power p voltage v current i in electrical conductors in which the current and voltage are proportional to each other ohms law apply.
Power voltage current resistance pvir calculator. Free ohms calculator for electricity. Ohms law formulas and ohms law formula wheel.
This calculator is based on simple ohms lawas we have already shared ohms law pivr calculator in which you can also calculate three phase current. Updated january 8 2011 to acceptchange commas to periods for those that use commas as decimal separators. Explanation of the equations and calculation.
If there is ac look also at the power factor pf cos f and f power factor angle phase angle between voltage and amperage. Calculate the voltage v current i resistance r or power p given two known quantities for the electrical current. 1j 1n m 1w s.
Ohms law calculator online. Ohms law calculator online. Before clicking in each ohms law calculator for the answer enter numbers into the equation you wish to use to calculate for current power resistance or voltage.
Ohms law calculator voltage v current i resistance r power p voltage v current i enter any two known values and press calculate to solve for the others. Where power p is in watts voltage v is in volts and current i is in amperes dc. V i or v i const.
But we have designed this one especially for dc circuits as well as work for single phase ac circuits without power factor. Electric current is dependent upon a number of different factors among which resistance and voltage are the most prominent ones. Ohms law calculator ohms law is basically concerned with the relation between electric current voltage and also resistance.
Electric energy is e p t measured in watt hours or also in kwh.
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