28. The current in a discharging RC circuit is given by /(0) 7[1-exp(-(3s')t)]A. If the capacitor has a capacitance of 5F, what is the resistance of the resistor? 67 A. 150 B. (3/7)2 C. (1/21)2 D. (1/15)2 E. (3/5)2
28. The current in a discharging RC circuit is given by /(0) 7[1-exp(-(3s')t)]A. If the capacitor has a capacitance of 5F, what is the resistance of the resistor? 67 A. 150 B. (3/7)2 C. (1/21)2 D. (1/15)2 E. (3/5)2
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![28 The current in a discharging RC circuit is given by I(0) 7[1-exp(-(3s')t)]A. If
the capacitor has a capacitance of 5F, what is the resistance of the resistor?
67
A. 150
B. (3/7)2
C. (1/21)2
D. (1/15)2
E. (3/5)2
49. What is the time constant t ofa circuit consisting of a 3 x 1ot*2 resistor in series
with a 2x10 F capacitor and a 6V battery?
A. (9/5) x 10 s
B. 6.0 x 10's
C. (3/2) x 10"s
D. (6/5) x 10's
E. (2/3) x 10 s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7704028f-5f00-42dd-ae69-75c6d5208aec%2Fff94f2ce-e5d7-42f7-bad1-a0eae8eb7824%2F8ltexr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:28 The current in a discharging RC circuit is given by I(0) 7[1-exp(-(3s')t)]A. If
the capacitor has a capacitance of 5F, what is the resistance of the resistor?
67
A. 150
B. (3/7)2
C. (1/21)2
D. (1/15)2
E. (3/5)2
49. What is the time constant t ofa circuit consisting of a 3 x 1ot*2 resistor in series
with a 2x10 F capacitor and a 6V battery?
A. (9/5) x 10 s
B. 6.0 x 10's
C. (3/2) x 10"s
D. (6/5) x 10's
E. (2/3) x 10 s
Transcribed Image Text:25. Which of the following equation is valid for Loop A7
A. +2V+4V +701, = 0
B. 2V+4V+701 = 0
C. +2V+ 4V - 721 =0
D. 2V-4V- 701 = 0
E. 2V+4V - 7521=0
%3D
For the next two items, consider the circuit whose diagram is shown below.
5V
R = 20
R, = 20
5V
3V
3V
26. What is the current / across R?
A. 0 A
B. IA
C. 2 A
D. 9 A
E. 18 A
27. What are the directions of currents /, and s through their corresponding resistors?
A. I:0 p, l: q→r
B. 1:0 p; /: q Er
C. Ino p: /:q→r
D. I:0 p; 1: q Er
E. No direction (no current)
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