Table of Contents:

• DC circuit equations and laws
• Series circuit rules
• Parallel circuit rules
• Series and parallel component equivalent values
• Capacitor sizing equation
• Inductor sizing equation
• Time constant equations
• AC circuit equations
• Decibels
• Metric prefixes and unit conversions
• Data
• Contributors
• Back to Chapter Index

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Time constant equations

Value of time constant in series RC and RL circuits

Time constant in seconds = RC

Time constant in seconds = L/R

Calculating voltage or current at specified time

Calculating time at specified voltage or current