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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: How do you measure a capacitor? posted by gnugear on February 23, 2007 at 09:19:56:
You could use the time constant method. Using a high value resistance a low voltage source and a meter. You attach the resistor and capacitor in series accross the voltage source, measure the voltage accross the capacitor and time how long it takes to charge up to 63% of the applied voltage.t = RC = 1μF x 10MΩ = 10 s
so
C = R/t = 10s / 10MΩ = 1μF
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Follow Ups
- Re: How do you measure a capacitor? - Tweekeng 13:09:32 02/23/07 (1)
- Doh! bad cut and paste - Tweekeng 13:14:04 02/23/07 (0)
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