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1. What is the energy stored in the 8.1 μF capacitor of a heart defibrillator charged...

1. What is the energy stored in the 8.1 μF capacitor of a heart defibrillator charged to 9.9 kV?

2. How far apart are two conducting plates that have an electric field strength of 3.5×103 V/m between them, if their potential difference is12 kV?

3. The naturally occurring charge on the ground on a fine day out in the open country is 2.32 nC. What is the electric potential at a height of 3.98 m?

4. What is the strength of the electric field between two parallel conducting plates separated by 1 cm and having a potential difference (voltage) between them of 2.45 ×104 V ? Give answer in terms of 106 V/m.

5. What is the average power output of a heart defibrillator that dissipates 311 J of energy in 5 ms? Give answer in terms of 104 W.

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