6.1 What charge is on a 5-F capacitor when it is connected across a 120-V source? 10 (a) 600 C (b) 300 C (c) 24 C (d) 12C 6.2 Capacitance is measured in: (a) coulombs (b) joules -10 (c) henrys (d) farads 6.3 When the total charge in a capacitor is doubled, the energy stored: Figure 6.42 For Review Question 6.4.

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Review Questions
6.1 What charge is on a 5-F capacitor when it is
connected across a 120-V source?
(1)4
10
(a) 600 C
(b) 300 C
(c) 24 C
(d) 12C
6.2 Capacitance is measured in:
(a) coulombs
(b) joules
-10
(c) henrys
(d) farads
6.3 When the total charge in a capacitor is doubled, the Figure 6.42
energy stored:
For Review Question 6.4.
(a) remains the same
(b) is halved
(c) is doubled
(d) is quadrupled
6.5 The total capacitance of two 40-mF series-connected
capacitors in parallel with a 4-mF capacitor is:
6.4 Can the voltage waveform in Fig. 6.42 be associated
with a real capacitor?
(a) 3.8 mF (b) 5 mF
(c) 24 mF
(a) Yes
(b) No
(d) 44 mF
(e) 84 mF
242
Chapter 6 Capacitors and Inductors
6.6 In Fig. 6.43, if i = cos 41 and v = sin 41, the
element is:
6.9 Inductors in parallel can be combined just like
resistors in parallel.
(a) a resistor (b) a capacitor (e) an inductor
(a) True
(b) False
6.10 For the circuit in Fig. 6.44, the voltage divider
formula is:
ム+ ム。
Li + L2
(b) v, =
ム
Element
(a) v,
(c) U, =
(d) u, =
L + L2
L + L2
Figure 6.43
For Review Question 6.6.
6.7 A5-H inductor changes its current by 3 A in 0.2 s. The
voltage produced at the terminals of the inductor is:
(a) 75 V
(b) 8.888 V
(c) 3 V
(d) 1.2 V
6.8 If the current through a 10-mH inductor increases
from zero to 2 A, how much energy is stored in the
inductor?
Figure 6.44
For Review Question 6.10.
(a) 40 mJ
(b) 20 mJ
Answers: 6.1a, 6.2d, 6.3d, 6.4b, 6.Sc, 6.6b, 6.7a, 6.8b,
(c) 10 mJ
(d) 5 mJ
6.9a, 6.10d.
Transcribed Image Text:Review Questions 6.1 What charge is on a 5-F capacitor when it is connected across a 120-V source? (1)4 10 (a) 600 C (b) 300 C (c) 24 C (d) 12C 6.2 Capacitance is measured in: (a) coulombs (b) joules -10 (c) henrys (d) farads 6.3 When the total charge in a capacitor is doubled, the Figure 6.42 energy stored: For Review Question 6.4. (a) remains the same (b) is halved (c) is doubled (d) is quadrupled 6.5 The total capacitance of two 40-mF series-connected capacitors in parallel with a 4-mF capacitor is: 6.4 Can the voltage waveform in Fig. 6.42 be associated with a real capacitor? (a) 3.8 mF (b) 5 mF (c) 24 mF (a) Yes (b) No (d) 44 mF (e) 84 mF 242 Chapter 6 Capacitors and Inductors 6.6 In Fig. 6.43, if i = cos 41 and v = sin 41, the element is: 6.9 Inductors in parallel can be combined just like resistors in parallel. (a) a resistor (b) a capacitor (e) an inductor (a) True (b) False 6.10 For the circuit in Fig. 6.44, the voltage divider formula is: ム+ ム。 Li + L2 (b) v, = ム Element (a) v, (c) U, = (d) u, = L + L2 L + L2 Figure 6.43 For Review Question 6.6. 6.7 A5-H inductor changes its current by 3 A in 0.2 s. The voltage produced at the terminals of the inductor is: (a) 75 V (b) 8.888 V (c) 3 V (d) 1.2 V 6.8 If the current through a 10-mH inductor increases from zero to 2 A, how much energy is stored in the inductor? Figure 6.44 For Review Question 6.10. (a) 40 mJ (b) 20 mJ Answers: 6.1a, 6.2d, 6.3d, 6.4b, 6.Sc, 6.6b, 6.7a, 6.8b, (c) 10 mJ (d) 5 mJ 6.9a, 6.10d.
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