How To Charge Capacitor Without Resistor

September 05, 2019

In order to charge the capacitor to 5 volts it will require 5 times 1 micro amp second. Instead of using a resistor as a load in order to charge a capacitor any other load can be implemented.

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In order for a capacitor to charge it must be placed in a completed circuit which must include a power source a pathway and a load.

How to charge capacitor without resistor. If you place a diode in series with the inductor then you can charge the capacitor to a higher voltage than the source. Connect the ground from the chassis to the cap then. The resistor has a wire post sticking out of each end.

If you remove the resistor the capacitor will charge instantaneously to the voltage applied to it. Without a load current will not flow through a circuit and will thus not charge a capacitor in the circuit. Yes you can charge a capacitor without a resistor.

Thats point five microamps for one second or five amps for one tenth of a microsecond or any combination like that. Solder one end of each wire to the two probes sticking out of the resistor. Use a voltmeter along with a resistor to charge your audio capacitor.

Then wrap one end of the other wire around the other post and solder it into place. You should use 4 8 gauge wire depending on the size of your capacitor. Once the voltmeter shows 12 volts the power capacitor is charged.

It also means that by shorting it out without a resistive load you end up discharging the capacitor instantaneously and thus put an infinite current through the discharging wire. If you dont have one you need one that is rated the same as the total fuses that are on the amp. It must be no more than 18 from the battery.

Wrap the end of one wire around the first post and then solder it into place. You can charge a capacitor with an inductor in place of a resistor. Most small regulators will not pass 5 amps so they will not charge the short in one microsecond.

The inductor and capacitor form a series resonant circuit. Now you can wire the capacitor in parallel with your car amplifier.