An RC circuit with components C = 6mF, R = 3kN and R2 = 4kN is set as shown in the figure. The capacitor is initially charged to 50V. At t = 0 the switch is thrown to position 1, at t3s the switch is turned to position 2. Which of the following expressions correctly gives the charge on the capacitor at t = 9s? 1 O a. Q= (300mC)e¬5/6 O b. Q= (150mC)(1– e-5/6) O. Q= (0.15C)e-6/5 O d. Q= (15C)(1 – e~3/2)e¬1/3 O e. Q=(15mC)e¬/² Of. Q= (300mC)e=5/12 O g. Q= (300mC)(1– e¬1/²)e¬1/3 O h. Q= (0.3C)(1 – e¬1/3)e¬1/2 21 R2 R1 ww

Physics for Scientists and Engineers with Modern Physics
10th Edition
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Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter27: Direct-current Circuits
Section: Chapter Questions
Problem 9P: A battery with = 6.00 V and no internal resistance supplies current to the circuit shown in Figure...
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An RC circuit with components C = 6mF, R = 3kN and R, = 4kN is set as shown in the figure. The capacitor is initially charged to 50V. At t= 0 the switch is thrown to position 1, at t3s the switch is turned to position 2.
Which of the following expressions correctly gives the charge on the capacitor at t = 9s?
1
О а. Q3D (300тC)е 5/6
2
ОБ. Q%3D (150тC)(1 — е 5/6)
Ос. Q3 (0.15C)е 6/5
R2
O d. Q= (15C)(1 – e-3/2)e¬1/3
Q= (15mC)e¬1/2
R1
e.
Q = (300mC)e-5/12
Q = (300mC)(1 - e-1/2)e-1/3
O n. Q%3 (0.3С)(1 — е 1/8)е-12
g.
Transcribed Image Text:An RC circuit with components C = 6mF, R = 3kN and R, = 4kN is set as shown in the figure. The capacitor is initially charged to 50V. At t= 0 the switch is thrown to position 1, at t3s the switch is turned to position 2. Which of the following expressions correctly gives the charge on the capacitor at t = 9s? 1 О а. Q3D (300тC)е 5/6 2 ОБ. Q%3D (150тC)(1 — е 5/6) Ос. Q3 (0.15C)е 6/5 R2 O d. Q= (15C)(1 – e-3/2)e¬1/3 Q= (15mC)e¬1/2 R1 e. Q = (300mC)e-5/12 Q = (300mC)(1 - e-1/2)e-1/3 O n. Q%3 (0.3С)(1 — е 1/8)е-12 g.
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