Joule to Volt Calculator
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What is a Joule to Volt Converter?
The Joule to Volt converter is one that will be able to help in finding the voltage contained within an electrical system, knowing the energy in joules and the charge or capacitance. Conversion is key in electrical engineering and physics, as well as energy management, and it comes with the meaning of a translation of energy into electric potential within a circuit.
What is a Joule?
In simple terms, the joule, J, is a unit of energy. It states that the amount of work done – when a certain force of one newton acts over a distance of one meter – should be calculated. Joules are commonly applied for the quantification of energy in physics, from thermal energy in heat to electrical energy in electric circuits.
Joule can be converted to volt using the formulas two formulas.
Joule to Volt Conversion
Formula 1: Voltage using Energy and Charge
To calculate voltage when energy (E) and charge (Q) are known:
\[ V = \frac{E}{Q} \]
Where:
- \(V\) = Voltage in volts
- \(E\) = Energy in joules
- \(Q\) = Electric charge in coulombs
Example Calculation for Formula 1
If the energy is 50 joules and the charge is 10 coulombs:
\[ V = \frac{50}{10} = 5 \text{ volts} \]
Formula 2: Voltage using Energy and Capacitance
To calculate voltage when energy (E) and capacitance (C) are known:
\[ V = \sqrt{\frac{2E}{C}} \]
Where:
- \(V\) = Voltage in volts
- \(E\) = Energy in joules
- \(C\) = Capacitance in farads
Example Calculation for Formula 2
If the energy is 50 joules and the capacitance is 2 farads:
\[ V = \sqrt{\frac{2 \times 50}{2}} = \sqrt{50} \approx 7.07 \text{ volts} \]
FAQs
How to use Joule to Volt Calculator?
- Enter Energy (E): Input joules in the energy field.
- Choose Charge (Q) or Capacitance (C): Enter a value for either charge (in coulombs) or capacitance (in farads).
- Calculate Voltage: Click “Calculate” to get the voltage result in volts.
- Clear Fields: Use “Clear” to reset all fields for a new calculation.
1 Joule is equal to how many Electron Volt
1 joule is equal to approximately 6.242 × 10¹³ electron volts (eV).
how to convert electron volt to joule
To convert electron volts (eV) to joules (J), multiply the number of electron volts by 1.602 × 10⁻¹⁹.
how to convert joule to electron volt?
To convert joules to electron volts, multiply the number of joules by 6.242 × 10¹³.