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Electromagnetism & Electronics

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Electromagnetism & Electronics

Self-Inductance

The property of an electrical conductor or coil whereby a change in current induces an opposing electromotive force in the conductor itself.

E = -L (dI/dt), L = N Φ_B / I H (Henries = V·s/A)
Electromagnetism & Electronics

Semiconductor Diode

A two-terminal semiconductor device formed by a p-n junction that allows electric current to flow easily in one direction while blocking it…

I = I_s [exp(e V / (k_B T)) - 1] A (Current), V (Voltage)
Electromagnetism & Electronics

Series Circuit

An electrical circuit topology in which components are connected end-to-end sequentially along a single continuous current path.

R_total = R₁ + R₂ + R₃, I_total = I₁ = I₂ = I₃ Ω (Ohms)
Electromagnetism & Electronics

Solenoid

A long helical coil of insulated wire that produces a uniform interior magnetic field when an electric current flows through it.

B = μ₀ n I (where n = N / L) T (Tesla)