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Electromagnetism & Electronics

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Electromagnetism & Electronics

RC Circuit & Time Constant

An electrical circuit composed of resistors and capacitors driven by a voltage source, characterized by its exponential charging and…

V(t) = V₀ e^(-t / τ), τ = R C s (Seconds)
Electromagnetism & Electronics

RL Circuit

An electrical circuit containing resistors and inductors, characterized by an exponential delay in current growth and decay governed by…

I(t) = (V₀ / R) (1 - e^(-t / τ)), τ = L / R s (Seconds)
Electromagnetism & Electronics

RLC Circuit & Resonance

An electrical circuit containing a resistor, inductor, and capacitor whose total impedance reaches a minimum at the resonant frequency.

f_res = 1 / (2π √(L C)), Z = √(R² + (X_L - X_C)²) Hz (Frequency), Ω (Impedance)
Electromagnetism & Electronics

RMS Current

The Root-Mean-Square value of an alternating current (AC), representing the equivalent direct current (DC) that delivers equal average…

I_rms = I_peak / √2 ≈ 0.707 I_peak A (Amperes)