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You can't.
If you know the voltage (volts) and current (amperes), you can convert to power (watts), but power is not energy. Power is the rate of energy (joules per second). You need to know the time as well to determine energy.
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∙ 15y ago
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Definition of voltage?
Voltage is electrical pressure, in joules per coulomb. One volt across one ohm will yield a current of one ampere, which is coulombs per second. One volt, producing one ampere, will yield one watt, which is joules per second.
Full fom of MVAR?
Mega - Volt - Ampere - Reactive
How many volts in 1 ampere?
That's like asking how many meters in a liter. Ampere and Volt are two DIFFERENT measurements. Ampere is how much electricity you are using, while volts are how much pressure the electricity is under(Think water). If you want to figure out how many amperes your appliance is using you could use this formula: P=UxI (Watt=Volt x Ampere) or U=RxI(Volt=Resistance x Ampere).
How calculate kilovolt-ampere?
25kv=?kwAnswerA volt ampere (V.A) is the unit of apparent power, and applies to AC circuits that contain resistance and reactance. Apparent power is the vector sum of true power and reactive power. A kilovolt ampere is 1000 V.A. The volt ampere is the product of supply voltage and load current.
What is the full form of VAR in static VAR compensator?
Volt Ampere Reactive
How is volt related to ohm and ampere?
1 ohm is the resistance of anything that measures 1 volt between its ends when 1 ampere of current flows through it.
What kind of electrical unit is coulomb?
A Coulomb is the unit of charge. It is a fundamental unit, representing the number of elementary charges (typically, electrons) available to do work. Its numerical value is about 6.241510x1018 elementary charges Important combined units based on the coulomb are the ampere, which is coulombs per second, the volt, which is joules per coulomb, and the volt-ampere, which is joules per second, or watts.
Convert 9.0eV into joules?
One electron volt (eV) is equal to 1.60218 E (-19) joules. Therefore, 9.0 eV is equal to 1.44196 E (-18) joules.
What is a volts measurement?
The volt is a derived unit of electrical potential. It is equal to joules per coulomb, or kilogram meter squared per ampere second cubed.
Can I use 4.5 volt 2 ampere adaptor instead of 5 volt 2 ampere?
yes you can.
Definition of voltage?
Voltage is electrical pressure, in joules per coulomb. One volt across one ohm will yield a current of one ampere, which is coulombs per second. One volt, producing one ampere, will yield one watt, which is joules per second.
How many ampere in one horsepower?
There are no 'volt amperes' in a horsepower. A volt ampere is used to measure 'apparent power', which is an electrical quantity. In other words, you are trying to compare apples with Oranges. You can convert watts to horsepower, because they both measure the same thing: power.
What is is kva?
kVA is kilo-volt-ampere, which is 1000 x volt x ampere. kVA is the unit of apparent power in AC circuits.
How much charge passes through a battery 22.5Volts if the energy expended is 90 Joules?
1 watt = 1 volt-ampere = 1 volt-coulomb per second = 1 joule per secondSo from this I learn out the fact that 1 volt-coulomb = 1 joule. This feels like somethingthat I probably used to know but forgot many years ago. Be that as it may, I'll use it.1 joule = 1 volt-coulomb90 joules = 90 volt-coulombs90 joules = 22.5 volts x (90/22.5 coulombs)90/22.5 = 4 coulombs
How do you convert volts to mva?
Do you mean 'megavolt ampere' (MV.A) or 'millivolt ampere' (mV.A)? By using the incorrect symbol ('mva'), this is not clear.To determine the apparent power, in volt amperes, you divide the true power, in watts, by the power factor of the load. One volt ampere is one-millionth of a megavolt ampere ('MV.A' -not 'mva') -assuming you don't mean 'millivolt ampere' ('mV.A')!
How much does 1 ohm equal?
1 volt is the amount of electrical "pressure" (joules per coulomb) that will "push" 1 ampere (coulombs per second) through 1 ohm. By Ohm's law, the process is linear: Volts equals amperes times ohms.
How do you convert from killi joules to joules?
To convert from kilo joules to joules you have divide by 1000 as 1 kilo joule is equal to 1000 joules. E.g. 2 kilo joules equals 2000 joules.
