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ELECTRONIC
COMPONENTS - DISCHARGING A CAPACITOR |
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To DISCHARGE a capacitor, the charges
on the two plates must be neutralized. This is accomplished by providing
a conducting path between the two plates as shown.
With the switch in position (4) the excess electrons on the negative
plate can flow to the positive plate and neutralize its charge.
When the capacitor is discharged, the electrons in the dielectric
return to their normal positions and the stored energy is returned
to the circuit.
It is important for you to note that a capacitor does not consume
power. The energy the capacitor draws from the source is recovered
when the capacitor is discharged. |
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