1 The calculations for t = 0 confirm the statement made in (d).
2 The capacitor voltage falls by a factor of 0.632 or 63.2% of its
initial value during one time constant, leaving 36.8 V (36.8%) of
the initial voltage.
3 The capacitor is almost fully discharged after five time constants.
4 y
c
= -VK at all times.
Example 2 Draw up a table of the capacitor and resistance voltages,
and th
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