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A joule is a quantity of energy, whereas a watt is a rate of energy flow, so they are not the same type of quantity. A watt is the power produced by a flow of energy at a rate of 1 joule per second.

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โˆ™ 2008-10-25 23:14:13
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Q: How many watts in a joule?
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Related questions

How many watts equals 1 joule?

Watts are units of power. Joules are units of energy. They are not the same. One watt is one joule per second.


What is amount of energy used per second?

Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).Power. In SI, energy is measured in Joule, and power is measured to watts (= Joule per second).


What does a joule equal?

Watts are measured in Joules and a joule is work divided by time. (w/sec)


How many units consume for 1000 watts?

A watt is a unit of power. 1 watt = 1 joule/second; that is, if somebody consumes 1 watt, it consumes 1 joule of energy every second. Or if there is a transfer of 1 watt, 1 joule of energy is transferred every second. 1000 watts (1 kW), of course, is simply 1000 times as much (1000 joule/second).


How many joules of light energy are in 1440 watts of electrical energy?

A joule is a joule, whether it be electrical energy or light energy - although commonly, lamps are not 100% efficient.On the other hand, you can't convert joules directly to watts. Watts means joules per second (joules / second), or equivalently, joules is watts times seconds.A joule is a joule, whether it be electrical energy or light energy - although commonly, lamps are not 100% efficient.On the other hand, you can't convert joules directly to watts. Watts means joules per second (joules / second), or equivalently, joules is watts times seconds.A joule is a joule, whether it be electrical energy or light energy - although commonly, lamps are not 100% efficient.On the other hand, you can't convert joules directly to watts. Watts means joules per second (joules / second), or equivalently, joules is watts times seconds.A joule is a joule, whether it be electrical energy or light energy - although commonly, lamps are not 100% efficient.On the other hand, you can't convert joules directly to watts. Watts means joules per second (joules / second), or equivalently, joules is watts times seconds.


What is relation between power watt and time?

The relationship is between watts, seconds, and joule. Watt is the unit for power, joule for energy. Watt = joule / second.


How does the watts of a light bulb affect energy use?

More watts = more energy use. The unit of energy is the Joule; Watt is a unit of power, and means an energy use of 1 Joule/second.


Do they rate watts by the hour?

in electronics, there is a term of Watt Hours used in power bills and things. watts itself is a unit derived by 1 joule per second. in order to get watt hours (which is just 1 joule per hour) you multiply your watts (joule/second) by 360 (60 seconds in a minute multiplied by 60 minutes in an hour). that will then give you units of joules/hour


Power is measured by which units?

Power is measured in watts. A watt is one joule per second. One joule per second is one volt-ampere per second when the power factor is 1.0. Commonly, when dealing with power plants, power is measured in kilowatts (1,000 watts), megawatts (1,000,000 watts), or gigawatts (1,000,000,000 watts).


How powerful is a joule?

1 Watt = 1 Joule / 1 secEssentially, watts are how many joules you consume in a second.source: http://answers.yahoo.com/question/index?qid=20070612222659AAEx9un


How many watts equals one kW?

Kilo is a prefix which means 1,000. So, the answer is 1000 watts.


How do you convert watts to joules?

A Watt is power. A Joule is Energy. A Joule is a Watt X Seconds. Watts are units of Power, whereas Joules are units of Energy. Power is Energy in accordance to time: P = E/t . So One Watt of Power is equal to one Joule per second. P=E/t 1 Watt = 1 Joule/ 1 second


How many watts in a hertz?

there are zero watts in a hertz. Watts is a measure of power. One Watt equals one Joule per second. A hertz is a frequency or in actuality the inverse of a fequency 1/f and is ussually represented in cylces per second.


How to convert watts into joule?

You can't convert them directly, because they measure different things. The unit for energy is the Joule. Power means how fast energy is transferred; it is measured in Joules/second, also called Watts.


How much heat does a 1000 watt theater light produce?

If it is 1000 watts then it produces a 1000 watts. A watt is 1 joule/sec.


How dou you convert joules to watts?

Joule is a unit of energy, watt is a unit of power. Power is energy per time unit. In a way, those are incompatible units, but if you know in what time you spend a certain amount of Joule, you can convert to Watt, and vice versa. For example, if you use 200 Joule in 2 seconds, that is 200/2 = 100 Joule/second, or 100 Watts. Or, if a light-bulb uses 35 Watts, that is 35 Joules every second, so in an hour it will use 35 x 3600 = 126000 Joules, or 126 KJ.


How many watts per hour will a unit that is rated at DC 12V 500mA consume?

Power = volts x amps, so your example will be 12 x 0.5 = 6 watts. (500mA = 0.5 amp) Note we don't talk of 'watts per hour', it is just watts. 1 watt = 1 joule per second


A unit of work and energy?

Volts and watts.


Are watts measured by Joules divided by meters or Joules divided by seconds?

joule/sec


Does 100 watts equal 100 joules?

No, because they measure different things. A Joule is an amount of energy, and a Watt measures how fast energy is being used. 1 Watt is equal to 1 Joule per second. So, 100 watts = 100 Joules per second.


What is a Kwatt in energy?

A kilowatt is 1000 watts, and 1 watt is 1 joule per second


Is watts the Si unit of power?

Yes. 1 Watt = 1 Joule per second


Which has the most power 1 joule or 1 watt?

1 joule = 1 N × m (1 newton-metro) = 1 W × s (watts-segundo)


How many lumen are in 1 Joule?

1 lumen = 1 candela per steradian.1 candela = 1/683 watts per steradians (assuming 540nm light wavelength).Assuming that the light is collected from a single steradian:1 Lumen = 1 Candela -> = 1/683 Watt -> Watt = 683 Lumens1 Joule = 1 Watt per Second -> Watt = Joule/SecondHence:683 Lumen = 1 Joule/SecondUnder the above assumptions1 Lumen = 1/683 Joule/Second


Convert joules to watts?

You can't convert that, they measure different things. A watt is a joule per second.