Re: Kolej Matrikulasi Pulau Pinang 2012/2013

Chapter 26 Capacitance and Dielectrics
Multiple Choice
1. Determine the equivalent capacitance of the combination shown when C = 12 pF.
C

C 2C

C

a. b. c. d. e. 2.

48 pF 12 pF 24 pF 6.0 pF 59 pF

Determine the equivalent capacitance of the combination shown when C = 15 mF.
C

C

2C

C

a. b. c. d. e. 3.

20 mF 16 mF 12 mF 24 mF 75 mF

Determine the equivalent capacitance of the combination shown when C = 12 nF.
2C C

C

3C

a. b. c. d. e.

34 nF 17 nF 51 nF 68 nF 21 nF

75

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CHAPTER 26

4.

Determine the equivalent capacitance of the combination shown when C = 45 μF.
C 2C

C

2C

a. b. c. d. e. 5.

36 μF 32 μF 34 μF 30 μF 38 μF

If C = 10 μF, what is the equivalent capacitance for the combination shown?
C

8.0 μF

6.0 μF

a. b. c. d. e. 6.

7.5 μF 6.5 μF 7.0 μF 5.8 μF 13 μF

What is the equivalent capacitance of the combination shown?
12 μF 24 μF

20 μF 12 μF

a. b. c. d. e.

29 μF 10 μF 40 μF 25 μF 6.0 μF

Capacitance and Dielectrics

77

7.

What is the equivalent capacitance of the combination shown?
20 μF 30 μF

10 μF

30 μF

a. b. c. d. e. 8.

20 μF 90 μF 22 μF 4.6 μF 67 μF

Determine the equivalent capacitance of the combination shown when C = 45 μF.
C

2C 6C

3C

a. b. c. d. e. 9.

28 μF 36 μF 52 μF 44 μF 23 μF

Determine the equivalent capacitance of the combination shown when C = 24 μF.
C 2C

2C 2C

2C

a. b. c. d. e.

20 μF 36 μF 16 μF 45 μF 27 μF

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CHAPTER 26

10.

Determine the energy stored in C2 when C1 = 15 μF, C2 = 10 μF, C3 = 20 μF, and V0 = 18 V.
C1 + V0 – C2 C3

a. b. c. d. e. 11.

0.72 mJ 0.32 mJ 0.50 mJ 0.18 mJ 1.60 mJ

Determine the energy stored in C1 when C1 = 10 μF, C2 = 12 μF, C3 = 15 μF, and V0 = 70 V.
C1 C2 C3

+ V0

–

a. b. c. d. e. 12.

6.5 mJ 5.1 mJ 3.9 mJ 8.0 mJ 9.8 mJ

Determine the energy stored by C4 when C1 = 20 μF, C2 = 10 μF, C3 = 14 μF, C4 = 30 μF, and V0 = 45 V.
C2

C3 C1 +