The RC charging circuit in a camera flash unit has a voltage source of 265 V and a capacitance of 13 HINT (a) Find its resistance R (in ohms) if the capacitor charges to 90.0% of its final value in 17.2 s. 54.96 XO (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. 3.66 ХА
The RC charging circuit in a camera flash unit has a voltage source of 265 V and a capacitance of 13 HINT (a) Find its resistance R (in ohms) if the capacitor charges to 90.0% of its final value in 17.2 s. 54.96 XO (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. 3.66 ХА
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