Is a joule a metric unit?
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Is a joule a metric unit?
The joule (/dʒaʊl, dʒuːl/ jowl, jool; symbol: J) is a derived unit of energy in the International System of Units....Definition.
Symbol  Meaning 

J  joule 
kg  kilogram 
m  metre 
s  second 
How do I calculate watts?
The first step in calculating your energy consumption is to figure out how many watts each device uses per day. Just multiply your appliance's wattage by the number of hours you use it in a day. This will give you the number of watthours consumed each day.
How do you calculate watts?
To obtain Watts you need both Amps and Volts: Insert the number of Amps (A) and Volts (V) below and click on Calculate to obtain Watts (W). The formula is (A)*(V) = (W). For example, if you have a current of 2 A and a voltage of 5 V, the power is 2A * 5V = 10W. This comes from the equation P = I * V.
How many watts is 240 volts?
1200 Watts
How many amps is 3.5 watts?
How do you convert watts to amps?
Power  Current  Voltage  

300 watts  2.
Does higher watts mean more power?What does a Watt mean? The Wattage of the light is the amount of energy it takes to produce a certain amount of light. The higher the wattage, the brighter the light, but also the more power it uses. ... 100 Watt incandescent lamp produces 1700 – 1800 lumens and uses 100 Watts of energy per hour. How many amps is 600 watts?5. How many amps is 6000 watts at 240 volts?25 amps How many volts is 2 amps?Equivalent Amps and Volts Measurements

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