Examples for

Electromagnetic Physical Constants

Electromagnetism, also known as electrodynamics, is the branch of physics that studies the forces and interactions between electric charges and currents. Use Wolfram|Alpha to examine and apply the fundamental constants of electromagnetism, both in the classical and quantum domains.
Constants

Explore and compute with electromagnetic constants.

Get definitions and values of electric constants:

electric constant
Coulomb constant

Get definitions and values of magnetic constants:

magnetic constant
Bohr magneton
Josephson constant

Perform calculations involving electromagnetic constants:

1/sqrt(electric constant * magnetic constant)
elementary charge * hbar/(2 m_e)
More examples
Physical Constants in Electromagnetic Systems

Explore electromagnetic systems whose governing equations involve fundamental constants.

Get information about electromagnetic systems:

coulomb equation
current loop
charged disk electric field
parallel wires

Compute properties of electromagnetic systems:

coulomb force Q1 = 1 C, Q2 = 2 C, distance = 1 cm
More examples