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Capacitors in Combination: the Network Shown in the Figure Is

Question 49

Multiple Choice

Capacitors in combination: The network shown in the figure is assembled with uncharged capacitors X, Y, and Z, with Capacitors in combination: The network shown in the figure is assembled with uncharged capacitors X, Y, and Z, with , and and open switches, S<sub>1</sub> and S<sub>2</sub>. A potential difference V<sub>ab</sub><sub> </sub>= +120 V is applied between points a and b. After the network is assembled, switch S<sub>1</sub> is closed for a long time, but switch S<sub>2</sub> is kept open. Then switch S<sub>1</sub> is opened and switch S<sub>2</sub> is closed. What is the final voltage across capacitor X? A) 94 V B) 87 V C) 79 V D) 71 V E) 63 V Capacitors in combination: The network shown in the figure is assembled with uncharged capacitors X, Y, and Z, with , and and open switches, S<sub>1</sub> and S<sub>2</sub>. A potential difference V<sub>ab</sub><sub> </sub>= +120 V is applied between points a and b. After the network is assembled, switch S<sub>1</sub> is closed for a long time, but switch S<sub>2</sub> is kept open. Then switch S<sub>1</sub> is opened and switch S<sub>2</sub> is closed. What is the final voltage across capacitor X? A) 94 V B) 87 V C) 79 V D) 71 V E) 63 V , and Capacitors in combination: The network shown in the figure is assembled with uncharged capacitors X, Y, and Z, with , and and open switches, S<sub>1</sub> and S<sub>2</sub>. A potential difference V<sub>ab</sub><sub> </sub>= +120 V is applied between points a and b. After the network is assembled, switch S<sub>1</sub> is closed for a long time, but switch S<sub>2</sub> is kept open. Then switch S<sub>1</sub> is opened and switch S<sub>2</sub> is closed. What is the final voltage across capacitor X? A) 94 V B) 87 V C) 79 V D) 71 V E) 63 V and open switches, S1 and S2. A potential difference Vab = +120 V is applied between points a and b. After the network is assembled, switch S1 is closed for a long time, but switch S2 is kept open. Then switch S1 is opened and switch S2 is closed. What is the final voltage across capacitor X? Capacitors in combination: The network shown in the figure is assembled with uncharged capacitors X, Y, and Z, with , and and open switches, S<sub>1</sub> and S<sub>2</sub>. A potential difference V<sub>ab</sub><sub> </sub>= +120 V is applied between points a and b. After the network is assembled, switch S<sub>1</sub> is closed for a long time, but switch S<sub>2</sub> is kept open. Then switch S<sub>1</sub> is opened and switch S<sub>2</sub> is closed. What is the final voltage across capacitor X? A) 94 V B) 87 V C) 79 V D) 71 V E) 63 V


A) 94 V
B) 87 V
C) 79 V
D) 71 V
E) 63 V

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