Practical Electronics/Parallel RL

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Summary[edit]

Circuit Symbol Series Parallel
RL
An RL parallel circuit
Impedance Z Z_t = R + \omega L Z_t = \frac{\omega RL}{R + \omega L}
Voltage V V = IR + L \frac{dI}{dt} I = \frac{V}{R} + \frac{1}{C} \int V dt
Current I \frac{dI}{dt} = (V - IR)\frac{1}{L} \int V dt = C(I - \frac{V}{R})
Phase Angle I tan θ = \omega \frac{L}{R} = 2πf \frac{L}{R}
f = (Tanθ/2π) \frac{R}{L}
t = (2π/Tanθ) \frac{L}{R}
tan θ = \omega \frac{L}{R} = 2πf \frac{L}{R}
f = (Tanθ/2π) \frac{R}{L}
t = (2π/Tanθ) \frac{L}{R}