1. In a circuit such as the one in Figure 33-1 with the capacitor initially unch
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Question
1. In a circuit such as the one in Figure 33-1 with the capacitor initially uncharged, the switch S is thrown to position A at t = 0. The charge on the capacitor
Figure 33-1 Simple series RC circuit.
2. In a circuit such as the one in Figure 33-1 with the capacitor initially uncharged, the switch S is thrown to position A at t = 0. The current in the circuit is
3. In a circuit such as the one in Figure 33-2 the switch S is first closed to charge the capacitor, and then it is opened at t = 0. The expression V = e -t/RC gives the value of
Figure 33-2 An RC circuit using a voltmeter as the resistance.
4. For a circuit such as the one in Figure 33-1, what are the equations for the charge Q and the current I as functions of time when the capacitor is charging?
Q = I =
5. For a circuit such as the one in Figure 33-1, what are the equations for the charge Q and the current I as functions of time when the capacitor is discharging?
Q = I =
6. If a 5.00 F capacitor and a 3.50 M resistor form a series RC circuit, what is the RC time constant? Give proper units for RC and show your work.
RC =
7. Assume that a 10.0 F capacitor, a battery of emf = 12.0 V, and a voltmeter of 10.0 M input impedance are used in a circuit such as that in Figure 33-2. The switch S is first closed, and then the switch is opened. What is the reading on the voltmeter 35.0 s after the switch is opened? Show your work.
V = V
Figure 33-3 RC circuit using voltmeter and RU parallel.
8. Assume that a circuit is constructed such as the one shown in Figure 33-3 with a capacitor of 5.00 F, a battery of 24.0 V, a voltmeter of input impedance 12.0 M, and a resistorRU ¼ 10.0 M. If the switch is first closed and then opened, what is the voltmeter reading 25.0 s after the switch is opened? Show your work.
V = V
9. In the measurement of the voltage as a function of time performed in this laboratory, the voltage is measured at fixed time intervals.
is initially zero and finally C is constant at a value of C is initially C and finally zero is always less than /RExplanation / Answer
9 is false
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