What Is the Magnetic Constant and Why Does It Matter?
SMRTR summary
The magnetic constant (μ0) links electricity and magnetism, serving as a key value in electromagnetic equations. When combined with the defined speed of light, it determines the electric constant (ε0), making it fundamental to how electric currents generate magnetic fields in everything from electromagnets to speakers, motors, and power generation. This interdependence enables technologies that convert between electrical and mechanical energy, powering our daily lives.
SMRTR provides this summary for quick context. The original article belongs to Wired.
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