BRAINCAKEMeasuring the Energy Stored in a Charged Capacitor.
The energy transferred to a lightlbulb when a capacitor discharges can be measured with a joulemeter. The capacitor's potential difference is measured and the joulemeter is read before and after the capacitor discharge. The difference in the joulemeter reading is the energy stored in the capacitor before it was discharged.
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Key terms in this lesson
- capacitor
- A component that stores electric charge, consisting of two conducting plates separated by an insulator, called a dielectric.
More in Capacitors
- Charging a Capacitor and Constant Current
- Capacitance
- Use of Capacitors
- Energy Stored in a Charged Capacitor
- Energy stored in a Thundercloud
- Discharging a Capacitor through a Fixed Resistor
- Exponential Decay.
- The Time Constant RC
All 12 lessons in Capacitors · All OCR A-level Physics topics