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4 Capacitors in Parallel

 
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Sep3-10, 06:16 PM   #1
 

4 Capacitors in Parallel

I was wondering how long would it take to charge a capacitor at 5volts if there are 4 parallel. This is the details on the Capacitors. 330v 120uF each. So what is the best way to charge them by usb which gives me 5v or using a 9 volt battery and for how long.
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Sep4-10, 09:42 AM   #2
 
please i really need help on this
Sep4-10, 07:47 PM   #3
 
please people i really need help on this matter it is for my coil gun
Sep4-10, 08:10 PM   #4
 
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4 Capacitors in Parallel

If there is no series resistance I would think it would just takes few seconds, or less.
Sep5-10, 10:00 PM   #5
 
It depends on the resistance, both of the wires and the battery/adapter. If you use a Pb battery, I think it takes just fractions of a second
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