The electronic flash attachment for a camera contains a capacitor for storing the energy used to produce the flash. In one such unit, the potential difference between the plates of an 910-μF capacitor is 420 V. (a) Determine the energy that is used to produce the flash in this unit. (b) Assuming that the flash lasts for 5.6 ms, find the effective power or "wattage" of the flash.
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The electronic flash attachment for a camera contains a capacitor for storing the energy used to produce the flash. In one such unit, the potential difference between the plates of an 910-μF capacitor is 420 V. (a) Determine the energy that is used to produce the flash in this unit. (b) Assuming that the flash lasts for 5.6 ms, find the effective power or "wattage" of the flash.
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