R.C Time Constant
Abstract
This experiment was split up into two separate investigations. The aim of the first investigation was to calculate the time interval for a capacitor to be discharged to 37% of its original value through a resistor. This result is known as the time constant of the decay, given the Greek letter (t).
From my results I plotted a graph of Exponential decay of voltage against time', the value I obtained in this investigation was
t = 10.10 ± 0.21 seconds
The actual value of t was 10.28s. I obtained this value from the equation t = RC (1). With (R) being the resistance of the resistor and (C) being the capacitance of the capacitor.
The aim of the second investigation was similar to the first investigation, but this time I discharged the capacitor through a multimeter. The results were plotted as a graph of Voltage decay against time' and I obtained a value of t = 200 ± 0.21
Introduction
RC circuits are among......
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Approximate Word Count: 1966
Approximate Pages: 8 (250 words per double-spaced page)
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