Practice: A cardiac defibrillator can be modeled as a parallel plate capacitor. When it is charged to a voltage of 2 kV, it has a stored energy of 1 kJ. What is the capacitance of the defibrillator?
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| Sections | |||
|---|---|---|---|
| Capacitors & Capacitance | 8 mins | 0 completed | Learn |
| Parallel Plate Capacitors | 20 mins | 0 completed | Learn Summary |
| Energy Stored by Capacitor | 16 mins | 0 completed | Learn |
| Capacitance Using Calculus | 8 mins | 0 completed | Learn |
| Combining Capacitors in Series & Parallel | 16 mins | 0 completed | Learn |
| Solving Capacitor Circuits | 29 mins | 0 completed | Learn |
| Intro To Dielectrics | 18 mins | 0 completed | Learn Summary |
| How Dielectrics Work | 3 mins | 0 completed | Learn |
| Dielectric Breakdown | 5 mins | 0 completed | Learn |
Concept #1: Energy Stored by Capacitor
That should be 10−6 m3, not just meters. (The number's right, the exponent on the unit is missing.)
Practice: A cardiac defibrillator can be modeled as a parallel plate capacitor. When it is charged to a voltage of 2 kV, it has a stored energy of 1 kJ. What is the capacitance of the defibrillator?
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