Question
![Problem 4 (S.
A camera flash circuit is shown below. The flash bulb resistance is R; = 0.52, and the
battery voltage is V, = 9V. The flash bulb requires above 400mJ of energy to produce
a reasonable flash. Also, the flash circuit should be ready for reuse after 5s. Find the
required values of C and R, to satisfy both of these requirements.
Camera Flash
RFlash
Rs
C
Vc
qu](https://content.bartleby.com/qna-images/question/dfef0e8c-ea16-4adf-98f8-23b6275b9330/550137af-a99b-47ff-a1b2-e93f4fae4222/mwxl45n_thumbnail.jpeg)
Transcribed Image Text:Problem 4 (S.
A camera flash circuit is shown below. The flash bulb resistance is R; = 0.52, and the
battery voltage is V, = 9V. The flash bulb requires above 400mJ of energy to produce
a reasonable flash. Also, the flash circuit should be ready for reuse after 5s. Find the
required values of C and R, to satisfy both of these requirements.
Camera Flash
RFlash
Rs
C
Vc
qu
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