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# How to find amps using farads and voltage

1.  Junior Member
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Reputation ## How to find amps using farads and voltage

can someone explain how you find amps using only farads and voltage?  Reply With Quote

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Dec 2017
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Reputation ## Finding amps using onlyl farads and voltage Originally Posted by jonathanbdenham can someone explain how you find amps using only farads and voltage?
I assume you are referring to a purely capacitive circuit. You need to use the farads to find XsubC. XsubC = 1/(2(pi)fc). If you assume 60 hertz, you can find XsubC with only the farads. In a purely capacative circuit, XsubC is your only impedance, so you can plug that right into E=IZ to find your current.  Reply With Quote

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Reputation  Originally Posted by jonathanbdenham can someone explain how you find amps using only farads and voltage?
If you have frequency you can get Xc (the resistance of the capacitor)

1/(2piFC) = Xc

where F is Frequency
C is Capacitance

then use Ohms law I=V/R or in this case I=V/Xc

If you don't have frequency I'm not sure how you'd do it.  Reply With Quote

capacitors, electrical calculations, electrical theory Related Content 