QI: Answer a or b:- a) A variable capacitance and a resistance of 160 2 are connected in series across a 240-V; 50-Hz supply. Draw the complex or locus of impedance and current as the capacitance changes from 4uF to 28 µF. From the diagram, find (a) the capacitance to give a current of 0.6 A and (b) the current when the capacitance is 11 pF. b) A circuit consists of an inductive coil (L=0.1 H, R= 10 2) in series with a variable resistor (0 210 2). Draw to scale the locus of the current vector when the circuit is connected to 230-V, 50-Hz supply mains and the resistor is varied between 0 and 100 2
QI: Answer a or b:- a) A variable capacitance and a resistance of 160 2 are connected in series across a 240-V; 50-Hz supply. Draw the complex or locus of impedance and current as the capacitance changes from 4uF to 28 µF. From the diagram, find (a) the capacitance to give a current of 0.6 A and (b) the current when the capacitance is 11 pF. b) A circuit consists of an inductive coil (L=0.1 H, R= 10 2) in series with a variable resistor (0 210 2). Draw to scale the locus of the current vector when the circuit is connected to 230-V, 50-Hz supply mains and the resistor is varied between 0 and 100 2
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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Transcribed Image Text:QI: Answer a or b:-
a) A variable capacitance and a resistance of 160 2 are connected in series
across a 240-V; 50-Hz supply. Draw the complex or locus of impedance
and current as the capacitance changes from 4uF to 28 µF. From the
diagram, find (a) the capacitance to give a current of 0.6 A and (b) the
current when the capacitance is 11 pF.
b) A circuit consists of an inductive coil (L =0.1 H, R =10 2) in series with
a variable resistor (0 210 2 ). Draw to scale the locus of the current
vector when the circuit is connected to 230-V, 50-Hz supply mains and
the resistor is varied between 0 and 100 2.
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