6) When the frequency of an a.c. circuit containing resistance and capacitance is decreased, the current (a) decreases (b) increases (c) stays the same 7) In a series a.c. circuit the voltage across a pure inductance is 12 V and the voltage across a pure resistance is 5 V. The supply voltage is (a) 13 V (b) 17 V (c) 7 V (d) 2.4 V 8) The impedance of a coil, which has a resistance of X ohms and an inductance of Y henrys, connected across a supply of frequency K Hz, is (a) 2π Κ Υ (b) X + Y (c) √X² + y2 (d) X² + (2лKY)²
6) When the frequency of an a.c. circuit containing resistance and capacitance is decreased, the current (a) decreases (b) increases (c) stays the same 7) In a series a.c. circuit the voltage across a pure inductance is 12 V and the voltage across a pure resistance is 5 V. The supply voltage is (a) 13 V (b) 17 V (c) 7 V (d) 2.4 V 8) The impedance of a coil, which has a resistance of X ohms and an inductance of Y henrys, connected across a supply of frequency K Hz, is (a) 2π Κ Υ (b) X + Y (c) √X² + y2 (d) X² + (2лKY)²
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:6) When the frequency of an a.c. circuit containing resistance and capacitance is decreased, the
current
(a) decreases
(b) increases
(c) stays the same
7) In a series a.c. circuit the voltage across a pure inductance is 12 V and the voltage across a pure
resistance is 5 V. The supply voltage is
(a) 13 V
(b) 17 V
(c) 7 V
(d) 2.4 V
8) The impedance of a coil, which has a resistance of X ohms and an inductance of Y henrys,
connected across a supply of frequency K Hz, is
(a) 2π Κ Υ (b) X + Y
(c) √x² + y²
(d) X² + (2nKY)²
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