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RC time constant
Calculate RC time using resistor and capacitor.
Inputs
Ω
µF
Result
Time
1s
How it works
Where it is used
RC circuits are used in filters, simple timers, signal control and delay effects in electronics projects.
The math
The time constant is calculated by multiplying resistance by capacitance. After one time constant the capacitor reaches about 63% of its final voltage.
Formula
t = R × CMore in Electronics
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