Voltage Equals Amps Times Resistance

Power power p is a measure of the rate at which energy is delivered or used by a circuit element. Ohms to amps calculation with watts. Volt amp and ohm.

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The voltage v in volts v is equal to the current i in amps a times the resistance r in ohms ω.

Voltage equals amps times resistance. They are power p or w measured in watts voltage v or e measured in volts current or amperage i measured in amps amperes and resistance r measured in ohms. The voltage v in volts v is equal to the power p in watts w divided by the current i in amps a. The current i in amps a is equal to the square root of the power p in watts w divided by the resistance r in ohms ω. V v i a r ω.

To calculate amps divide the voltage by the resistance in ohms. Just like voltage resistance is a quantity relative between two points. In this calculator table you may enter two of the four factors in ohm s law. The current i in amps a is equal to the voltage v in volts v divided by the resistance r in ohms ω.

Voltage sources deliver power while resistors use power by dissipating it as heat. Convert volts to amps using resistance ohm s law provides an alternate formula to find volts if amps and the electrical resistance is known. Enter the power in watts w resistance in ohms ω then press the calculate button to get the result in amps a. The current is equal to the electromotive force of the source divided by the total circuit resistance.

For this reason the quantities of voltage and resistance are often stated as being between or across two points in a circuit. The voltage v in volts v is equal to the current i in amps a times the resistance r in ohms ω. The power p in watts w is equal to the voltage v in volts v times the current i in amps a.