Connect the initial circuit as shown in Figure 47-1. 2. Set VA at 20 volts. Insert a jumper wire between points A and B and observe the meter action. OBSERVATION Current flowed for approximately ___________ seconds as evidenced by the voltage measured across R. The rate of charge was (linear, nonlinear) __________________. nCONCLUSION The current that flowed was the charging current that charged the capacitor to a voltage equal to (VR, VA) ____________________. Was charging current maximum at the beginning of the charge time or near the end? _________. At the beginning of the charge time, the voltage across R was equal to (VC , VA) _______________________ (the first instant). At the end of the charge time, the voltage across the resistor is ________ volts; the voltage across the capacitor is equal to VA
Connect the initial circuit as shown in Figure 47-1.
2. Set VA at 20 volts. Insert a jumper wire between points A and B and observe the meter action.
OBSERVATION Current flowed for approximately ___________ seconds as evidenced by the voltage
measured across R. The rate of charge was (linear, nonlinear) __________________.
nCONCLUSION The current that flowed was the charging current that charged the capacitor to a
voltage equal to (VR, VA) ____________________. Was charging current maximum at
the beginning of the charge time or near the end? _________. At the beginning of the
charge time, the voltage across R was equal to (VC , VA) _______________________
(the first instant). At the end of the charge time, the voltage across the resistor is
________ volts; the voltage across the capacitor is equal to VA.
 alt=".01µF
VA (dc)
R
V
100k 2
В
A
FIGURE 47-1
RPOSE To demonstrate the charging and dischargir
nd to observe that a capacitor takes five RC time const
et voltage level to another.
DMM
Resisto:
VVPS (dc)
10 kQ
CIS
100 k2
О Сарасitors
0.1 µF, 1.0 µF
1 ΜΩ
S Remember that charged capacitors remain charged
hey are discharged).
rcuit as shown in Figure 47-1.
sert a jumper wire between points A and B and observe
urrent flowed for approximately
second:
easured across R. The rate of charge was (linear, nonli
he current that flowed was the charging current tha
oltage equal to (VR, V¼)
Was c
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