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Power equals the product of current and voltage. The power used by a 9 amp 27 volt circuit is 243 watts. The power produced by the device, however, depends on the device's efficiency.

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What is the difference between watts and volt-amps?

Watts measure real power in an electrical circuit, while volt-amps measure apparent power, which includes both real and reactive power. Watts represent actual energy consumed or produced, while volt-amps account for the total power flowing in a circuit.


How do you test the power in a circuit?

A volt meter will do the job.


In a electric circuit does 115 volt using 9 amps have the same power and cost as 230 volt using 4.5 amps?

The cost is about the same using the equation Power= Voltage X Current . However , if the 115 volt electrical circuit is produced from a 230v supply though a transformer , then the transfomer incurs loses and therefore the cost is greater .


Is 24 voltage a lot?

It depends on the use it is being put to. It is sufficient for a 24 volt circuit. Too much for a 12 volt circuit and too little for a 240 volt circuit.


How do you connect a volt to a circuit?

A volt can not be connected to a circuit.


What does 20VA mean?

20VA stands for 20 volt-amperes, which is a unit used to measure apparent power in an electrical circuit. It is calculated by multiplying the voltage by the current in an AC circuit. It represents the total power in the circuit, including both real power (watts) and reactive power (volt-amps reactive).


What does Volt-Amp mean?

A 'volt ampere' (not 'volt amp'!) is the unit for theapparent power of a load in an a.c. circuit. It is simply the product of the supply voltage and the load current.


How much Ampere when volt 415?

That would depend on the power output (watts) of the circuit. Volts times the Amperage equals the Wattage of the circuit. You do not have enough information in your question. Volts is the force applied to move the electrons in the circuit, and amps are a measure of the quantity of electrons moved through the circuit over time. Thus a circuit of 415 volts and 1 ampere will deliver 415 watt-hours of power. Yet a circuit of 1 volt at 415 amps will deliver the same 415 watt-hours of power, but with less force.


Is it true that volt amps are the same as watts?

No, volt-amps (VA) and watts (W) are not the same. Watts measure real power in an electrical circuit, while volt-amps represent the apparent power, which includes both real power and reactive power.


How many amperes will a 28-volt generator be required to supply to a circuit containing five lamps?

It depends on how much power the lamps require, and on how they are connected.


What are the 5 voltages produced by an ATX or BTX power supply?

+12 volt , -12 volt, + 5 volt, - 5 volt, and + 3.3 volt.


What is the difference between volt-amp and watt, and how do they relate to each other in terms of measuring electrical power?

Volt-amp is a unit of apparent power, which is the combination of voltage and current in an electrical circuit. Watt, on the other hand, is a unit of real power, which is the actual power consumed by a device. The relationship between volt-amp and watt is that watt is the product of volt-amp and power factor, which represents the efficiency of the electrical system. In simple terms, watt is the actual power used by a device, while volt-amp is the total power flowing through the circuit.