1. In five time constant, the inductance current is equal to (a) (E/R) e 5. A capacitor that stores a charge of 0.5 C at 10 volts has a capacitance of (а) 5 farad. ampere/s. (b) E/R (d) (E/R)[1 - eRL*] -(R/L)t (b) 20 (c) 10 (d) 0.05 (c) 0 2. In five time constant, the inductance voltage is equal to volts. (a) E eRL)t (b) E (c) 0 (d) E [1 - e RL"] 3. A series combination having R = 2 M• and C = 0.01 • F is connected across a DC voltage source of 50 volts. The capacitor voltage after 0.02 sec is volts. (a) 31.61 (b) 32.61 (c) 33.61 (d) 35.61 4. Two capacitors are placed in series connection with the voltage source of 300 volts. If C = 1 • F and C2=2•F the voltage across C, will be, (a) 100 (b) 200 volts. (c) 150 (d) 300

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Multiple choice
1. In five time constant, the inductance current is
equal to
(а) (ER) e'
(c) 0
5. A capacitor that stores a charge of 0.5 C at 10 volts has
a capacitance of
(a) 5
farad.
ampere/s.
(b) E/R
(d) (E/R)[1 - eRL*]
-(R/L)t
(b) 20
(c) 10
(d) 0.05
2. In five time constant, the inductance voltage is equal to
volts.
(a) E eRL)t
(b) E
(с) 0
(d) E [1 - eRL"]
3. A series combination having R = 2 M • and C = 0.01
• F is connected across a DC voltage source of 50
volts. The capacitor voltage after 0.02 sec is
volts.
(a) 31.61 (b) 32.61
(c) 33.61
(d) 35.61
4. Two capacitors are placed in series connection with
the voltage source of 300 volts. If C¡ = 1 • F and
C2=2•F the voltage across C¡ will be
(a) 100 (b) 200
volts.
(c) 150
(d) 300
Transcribed Image Text:1. In five time constant, the inductance current is equal to (а) (ER) e' (c) 0 5. A capacitor that stores a charge of 0.5 C at 10 volts has a capacitance of (a) 5 farad. ampere/s. (b) E/R (d) (E/R)[1 - eRL*] -(R/L)t (b) 20 (c) 10 (d) 0.05 2. In five time constant, the inductance voltage is equal to volts. (a) E eRL)t (b) E (с) 0 (d) E [1 - eRL"] 3. A series combination having R = 2 M • and C = 0.01 • F is connected across a DC voltage source of 50 volts. The capacitor voltage after 0.02 sec is volts. (a) 31.61 (b) 32.61 (c) 33.61 (d) 35.61 4. Two capacitors are placed in series connection with the voltage source of 300 volts. If C¡ = 1 • F and C2=2•F the voltage across C¡ will be (a) 100 (b) 200 volts. (c) 150 (d) 300
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