An electronic flashgun has a 1000 μF capacitor that is charged to 100 V.
a. How much energy is stored by the capacitor?
b. What is the charge on the capacitor?
c. When the photographer takes a picture, the flash fires for 1/2000 s. What is the average current through the flashtube?
d. Find the power delivered to the flashtube.
e. After a picture is taken, the capacitor has to be recharged by a power supply that delivers a maximum current of 10 mA. How long will it take to charge the capacitor?
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