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zsm28
Lv 5
what's the capacitance?
The flash unit in a camera uses a special circuit to “step up” the 3.1 V from the batteries to 300 V, which charges a capacitor The capacitor is then discharged through a flashlamp. The discharge takes 12*10^-6 s, and the average power dissipated in the flashlamp is 12 W. What is the capacitance of the capacitor?
1 Answer
Relevance
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