Physics & Engineering / Electricity & Magnetism
RC Circuit Time Constant Calculator
About RC Time Constant
The time constant (τ) is the time it takes for the capacitor to charge to 63% of the supply voltage.
Formula: τ = R × C
See Also
Other calculators in Electricity & Magnetism
Relevant Blog Posts
Articles in Electricity & Magnetism
Ohm's Law: The Equation Behind Everything Electric - From USB Chargers to Data Centers
Read article
Resistor Color Codes: The Secret Language Every Technician Must Know
Read article
RC Time Constants in Cameras and WiFi: Why Flash Charging Takes 5 Seconds and Signals Need Filtering
Read article
Magnetic Force: Motors and MRI Machines - How Rotation Works and Medical Imaging Sees Inside You
Read article