Capacitor charging and discharging through a light bulb
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Back to 5C - Capacitance
PIRA index: 5C30.30
Description
A large 50 V capacitor is charged and discharged using a light bulb as a resistor.
Equipment
- Charging/Discharging capacitor setup
- Power supply
Instructions
- Make sure the switch is placed in the center position
- Set the power supply to 50V
- Connect the setup to the power supply
- Put the switch in the 'charge' position and watch the bulb light up
- (Optional) Disconnect the power supply (to show that in the discharge the light bulb is only powered by the capacitor)
- Put the switch in the 'discharge' position and watch the bulb light up
- Put the switch back in the center position and turn off the power supply.
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