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There's a couple ways. You could count the number of semiconductor junctions, resistances and other voltage attenuators, do all your Ohm's Law and drop calculations to come up with a reasonably good number...but if the circuit has been constructed, you could always just power it up, read the voltages at the supply and at whatever point you're trying to calculate the voltage loss for, and subtract one from the other.
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How can you calculate current when you have volts power?
Divide Watts by Volts ; this gives you Amps.
Calculate watts from volts and amps?
Just multiply. (Note, this assumes no phase difference.) <<>> The formula you are looking for is W = I x E. Watts = Amps x Volts.
What is lost volts?
A battery is rated to supply a certain number of volts. However, it actually supplies less, because they are "lost" as the current has to get out of the battery in the first place.(The battery has internal resistance)The amount of lost volts depends on the current being drawn:The less resistance a circuit has, the more current is drawn, because it's easier to flow.Example:If the circuit has little resistance, it draws a large current and the battery's internal resistance causes more lost volts.If the circuit has high resistance, it draws a small current and there are fewer lost volts.This is why when you short-circuit a battery (give it hardly any resistance to go through) it heats up and may explode. A large current is drawn and all the volts are used by the battery's internal resistance.
If a circuit contains a 1.5 volts battery and a bulb with a resistance of 3 ohms. calculate the current?
Use Ohm's Law. Solving for current:I = V/R (current = voltage / resistance)
How Many volts in a gigavolt?
(1,000,000,000) One billion volts.
How can you calculate current when you have volts power?
Divide Watts by Volts ; this gives you Amps.
How do you calculate kva?
Amps * volts / 1000
Calculate 20 volts into watts?
150w
Ow do you calculate amperage with watts and volts?
Divide...
How do you calculate the ac amps when you have the DC volts DC amps and the ac volts?
the answer is dc volts are rectified from ac volts and the amperage will be the same unless you account for the slight drop from the rectifier. dc volts from a battery have no relationship to ac volts. you can derive ac volts from a dc source using an inverter.
How many volts of electricity does a 60wat light bulb use if left on for 15min?
You can't calculate how many volts with that information; you could calculate the energy - 60 watts for 15 minutes is equivalent to 54,000 joules.
.01 amps equal how many volts?
Amps and volts are not the same, but related by Ohm's Law. Volts = Amps x Ohms. Ohms is a measure of resistance. Given .01 amps you would have to know resistance to calculate volts.
What is the correct formula to calculate a fuse rating?
watts Divided by Volts = amps
How do you calculate KW from Volts?
Kw can be calculated from volts be using the formula p=(voltage)square/resistance*1000
How many volts it takes to cause a current of 1.95 amps to exist in a 200 watt lamp?
The formula to calculate the relationship between amps, volts and watts is Volts X Amps = Watts or Volts = Watts / Amps or Amps = Watts / Volts therefore; 200 Watts divided by 1.95 Amps is 102.5641 Volts.
How do you calculate volts with volt amperes?
Divide the circuits amperage into the volt amps and you will get the voltage.
How many amps times volts equals 13.75 watts?
You would have to know either the value of Volts or Amps to calculate that. watts = volts x amps Without either of those values nothing can be done.
