Joule

What is a Joule?

Definition and meaning of Joule

Joule is a preferred uNit of size for work or strength utilized in strength, mechanics, thermal electricity and general clinical Packages. The unit is known as in popularity of British physicist James P. Joule. Like all SI units, the letter of its symbol is written in higher case, but is in lowercase whilst it's miles spelled out in English.

What Does Joule Mean?

A joule is defined as the aMount of power transferred to an Object while a pressure of 1 Newton acts on the item in the course of its motion via a distance of one meter (1 newton meter or Nm). It can also be defined as electricity dissipated as heat when an electric Modern of 1 ampere passes via a Resistance of an ohm for one 2d. It is likewise identical to at least one Watt of strength emitted or dissipated for one second, or watt 2nd (Ws).

In diverse packages, British thermal gadgets (BTU) are used to specific the unit for power. One BTU is equal to about 1,0.5 joules.

One joule is identical to:

• 1 × 10⁷ erg (precisely)
• 6.24150974 × 10¹⁸ eV
• zero.2390 cal (gram calories)
• 2.390 × 10^-4 kcal (meals energy)
• nine.4782 × 10^-4 BTU

Units described precisely in phrases of the joule include:

• 1 thermochemicalcalorie = 4.184 J
• 1 worldwide Tablecalorie = four.1868 J
• 1 watt hour = 3,six hundred J (or three.6 kJ)
• 1 kilowatt hour = 3.6 × 10⁶ J (or 3.6 MJ)
• 1 watt 2d = 1 J
• 1 ton TNT = four.184 GJ

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