Recently Added Physical Formulas

· Electrical Capacitance in an Electronic Circuit
· Electrical Capacitance
· Conductor in Static Electric Field
· Electrical Conductance and Electrical Resistance
· Current Density

Additional Formulas

· Coulomb's Law
· Gauss' Law
· Application of Gauss’s Theorem
· Joule's Law
· Kirchhoff's Current Law
· Fundamental Postulates of Electrostatics In Free Space
· Wave
· Refraction and Reflection
· Electromotive Force
· Electrostatic Force

Current Location > Physics Formulas > Electromagnetism > Electromotive Force

Electromotive Force

An electromotive force (emf) is the potential that is inside an electric source, such as batteries, and the potential inside the source must terminate the potential outside the source. Therefore the emf is given by: