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Starting electronics
Figure 5.10 A graph for use with your results from the experiment with the
10 nF capacitor in Table 5.3
And yes, the graph is the same shape but is moved along the
horizontal axis by an amount equivalent to a ten-fold increase
in frequency (the capacitor was decreased in value by tenfold,
remember). A similar inverse relationship is caused by
changing the resistor value, too.
Frequency, capacitance and resistance are related in the a.c.
voltage divider by the expression:
where f is the corner frequency. For the first voltage divider,
with a capacitance of 10 nF and a resistance of 1.5 kΩ, the
corner frequency is:
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