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sdevoe
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Homework Statement
The deflection plates in an oscilloscope are 10 cm by 2 cm with a gap distance of 1 mm. A 100 volt potential difference is suddenly applied to the initially uncharged plates through a 900 ohm resistor in series with the deflection plates. How long does it take for the potential difference between the deflection plates to reach 50 volts?
Homework Equations
q=c*(delta_V)
The Attempt at a Solution
There has to be an equation that I am missing or need