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22 March, 14:53

The flash on a high-tech camera contains a capacitor of 750 μ F. The battery in the camera supplies 330 V. (a) Determine the energy that is used to produce the flash. (b) Assuming that the flash lasts for 5 ms, find the power of the flash.

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  1. 22 March, 15:38
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    Two equations for this one: Q=CV & PE = (1/2) QV.

    C=750 * 10^-6 F, V=330 V.

    so if you use Q=CV = (750 * 10^-6) (330). Q=0.2475

    Then solve for PE. PE = (1/2) QV = (1/2) (0.2475) (330) = 40.8 J

    So PE=40.8 J
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