Joule/coulomb is a unit of:
Correct answer: A. Electric Potential Difference
- A. Electric Potential Difference
- B. Electric Field Strength
- C. Magnetic Field Strength
- D. Energy
Explanation
The unit of energy is the joule, the unit of magnetic field strength is Tesla, and the unit of electric field strength is Newton per Coulomb. The unit of electric potential difference is Joules per Coulomb.
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Electrostatics describes forces between charges through Coulomb's law, electric fields and field intensity, then uses electric potential to measure energy per unit charge. Capacitors store charge and electrical energy, with capacitance depending on geometry and dielectric material, not simply on the amount of charge present.
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