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The formula you are looking for is I = W/E.

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Q: Find amp's when watts and voltage is known?
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You were given aload 2500 watts how much it draw amps?

Watts = Amps x Volts. Amps = Watts/Voltage. Amps = 2500/apply voltage here.


How many amps does a 50 watt bulb use?

You just have to divide the watts by the voltage to find the amps. For example 60 watts on a 120 v system would take ½ amp.


How voltage is 350kv to watts?

You multiply volts by amps to get watts. What are your amps?


How watts are there in 1.3 a?

None or a million, it depends on the voltage. Multiply the amps by the volts to find the watts.


What is power in electricity?

Watts otherwise known as VA which is voltage X Amps


What in power in electricity?

Watts otherwise known as VA which is voltage X Amps


37.5 amps converted in watts?

To convert amps into watts a voltage is needed. Watts = Amps x Volts.


How Many Amps is 1400mA?

watts = amps (times) voltage watts (divided by) voltage = amps 140 (div by) 120 = 1.66 140 (div by) 125 = 1.12


How many amp are in 4800 watts?

The formula you are looking for is I = W/E. As you can see the voltage has to be known to answer the question.


What is ac power and ac voltage?

AC power is electricially, a value that is expressed in watts and voltage is the electromotive force that combined with amps, makes up the formula to find watts. Watts is the product of Amps x Volts. W = amps x volts.


How many amps does 3000 watts pull?

Using the equation Volts X Amps = Watts, you can take 3000 watts / Volts to get your answer: 3000W/240V = 12.5A or 3000W/120V = 25A So, at 240 volts you will use 12.5 amps for 3000 watts of power. Or at 120 volts you will use 25 watts.


250 watts is how many amps?

Depends on the voltage. AMPS X VOLTS = WATTS 250 Watts at 12 V would be about 21 Amps, while 250 watts at 120 volts would be 2.1 amps.