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18 6 The RC charging circuit in a camera flash unit has a voltage source of 295 V and a capacitance of 136 uF. HINT

18 6

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The RC charging circuit in a camera flash unit has a voltage source of 295 V and a capacitance of 136 uF. HINT (a) Find its resistance R (in ohms) if the capacitor charges to 90.0% of its final value in 14.7 s. (b) Find the average current (in A) delivered to the flash bulb if the capacitor discharges 90.0% of its full charge in 1.04 ms. I Need Help? Read It Watch It

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