A cameras flash uses the energy stored in a 270 microf uf, Physics

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A cameras flash uses the energy stored in a 270 microf uf

A camera's flash uses the energy stored in a 270 microF (uF) capacitor charged to 190 V. The current in the charging circuit is not to exceed 25 mA.

a) What's the resistance in the charging circuit?

Rmin=???

b) How long do you have to wait between taking flash pictures? Consider that the capacitor is essentially at full charge in 5 time constants.

t =??

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Physics: A cameras flash uses the energy stored in a 270 microf uf

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Physics: A cameras flash uses the energy stored in a 270 microf uf

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