The duration of a photographic flash is related to an RC time constant, which is 0.190 µs for a certain camera. (a)
The duration of a photographic flash is related to an RC time constant, which is 0.190 µs for a certain camera. (a)
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The duration of a photographic flash is related to an RC time constant, which is 0.190 µs for a certain camera.
(a)
If the resistance of the flash lamp is 0.0500 Ω during discharge, what is the size (in µF) of the capacitor supplying its energy?
___ µF
(b)
What is the time constant (in s) for charging the capacitor, if the charging resistance is 900 kΩ?
____s
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