How to convert energy in joules (J) to electrical voltage in volts (V).
You can calculate volts from joules and coulombs, but you can't convert joules to volts since volt and joule units represent different quantities.
The voltage V in volts (V) is equal to the energy E in joules (J), divided by the charge Q in coulombs (C):
V(V) = E(J) / Q(C)
So
volt = joule / coulomb
or
V = J / C
What is the voltage supply of an electrical circuit with energy consumption of 50 joules and charge flow of 4 coulombs?
V = 50J / 4C = 12.5V
What is the voltage supply of an electrical circuit with energy consumption of 50 joules and charge flow of 5 coulombs?
V = 50J / 5C = 10V
Example 3What is the voltage supply of an electrical circuit with energy consumption of 80 joules and charge flow of 4 coulombs?
V = 80J / 4C = 20V
Example 4What is the voltage supply of an electrical circuit with energy consumption of 100 joules and charge flow of 4 coulombs?
V = 100J / 4C = 25
Example 5What is the voltage supply of an electrical circuit with energy consumption of 500 joules and charge flow of 4 coulombs?
V = 500J / 4C = 125V
How to convert volts to joules ►
Volt is a unit of measurement designating the electric potential or voltage in a conductor. However joule is a unit of energy or work done to move electric charge through electric potential.
| Animal | Recommended Voltage on Fence Line |
|---|---|
| Horses | 2,500 Volts |
| Cattle | 3,500 Volts |
| Sheep/Goats | 4,500 Volts |
| Pigs | 5,000 Volts |
| Predators | 5,000-10,000 Volts |
| Deer | 5,000-10,000 Volts |
| Pets | 3,000 Volts |
One joule of energy is defined as the energy expended by one ampere on one volt, which moves in one second.
In general, power is defined as energy over time. Watt is defined as 1 Watt = 1 Joule per second (1W = 1 J/s), which means that 1 kW = 1000 J/s.
The eV Joule Conversion | Below is the table of Joule to eV conversion-
| Energy in Joules | Energy in eV |
| 1 J | 6.242×1018 eV |
| 2 J | 1.248×1019 eV |
| 3 J | 1.872×1019 eV00 |
| 4 J | 2.497×1019 eV |
| 5 J | 3.121e×1019 eV |
| 6 J | 3.745×1019 eV |
| 7 J | 4.369×1019 eV |
| 8 J | 4.993×1019 eV |
| 9 J | 5.617×1019 eV |
| 10 J | 6.242×1019 eV |
| 50 J | 3.121×1020 eV |
| 100 J | 6.242×1020 eV |
| 500 J | 3.121×1021 eV |
| 1000 J | 6.242×1021 eV |
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