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Take your circuit voltage and the power of the appliances and divide.E is voltage I is amperage and P is power or wattage. P=ExI Example. 3500 watt heater draws ? Amps on 220Volts I=P/E I= 3500w/220v I= 15.9Amps

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15y ago

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Related Questions

If you have 500 ohms and 2000 watts how do you find amps?

The formula you are looking for is I = sq root of W/R.


Formula for ohms law?

ohms=amps/volts Amps= volts/ohms Volts = Amps*Ohms


How do you know service amperage?

use ohms law which in this case is volts divided by resistance in circuit


Using ohm's law what is the formula to find the resistance in a circuit?

Resistance of the circuit = (voltage across the circuit) divided by (current through the circuit)


How to calculate amps in a circuit?

To calculate amps in a circuit, use the formula: Amps Volts / Ohms. This formula helps determine the current flowing through a circuit based on the voltage and resistance present.


What is the resistance of the circuit in ohms?

The resistance of the circuit is measured in ohms.


What is the resistance of a circuit that takes a current of 0.5A when the voltage to the circuit is 40v?

The formula you are looking for is Ohms = Volts/Amps. R = E/I.


What is ohms law for determining amperage?

I=e/r


What is the resistance of the circuit in units of ohms?

The resistance of the circuit is measured in units of ohms.


When the resistance in an electrical circuit increases and the voltage does not change the current flowing in the circuit?

Here is the formula you use. I = E/R. I = amperage, E = volts, R = resistance in ohms.


According to Ohms law as voltage increases amperage?

INCREASES


What is the resistance of a circuit with 120V and 10A?

Assuming DC and resistive loads, resistance equals voltage across the load, divided by the current through it. In this case 120/10 or 12 ohms.