TEST YOURSELF 1. A capacitor is connected to a 120-V, 60-Hz supply parallel with a coil with L = 6.63 mH and R = 5. Determine the capacitance value at which the current drawn from the supply is in phase with the voltage. 2. Determine the active and reactive components of the current drawn by a series circuit consisting of a 1-H coil with 10-ohm resistance and a 150-µF capacitor connected to a 220-V, 60-Hz supply mains. Determine the value of the capacitor that must be connected in parallel with the above series circuit for the circuit's power factor to be unity. 3. A 220-V sinusoidal generator drives a parallel section consisting of a 5-µF capacitor in parallel with a coil with resistance and inductance of 20 ohms and 10 mH, respectively, at its resonance frequency. Determine the resonance frequency. 4. A current source with a source resistance of 50-k is used to power a tank circuit. The tank circuit having a 50-nF capacitor is connected in parallel with a coil with inductance and resistance of 30-mH and 100-22, respectively. Determine the values of (a) fr and (b) Qcoil.
TEST YOURSELF 1. A capacitor is connected to a 120-V, 60-Hz supply parallel with a coil with L = 6.63 mH and R = 5. Determine the capacitance value at which the current drawn from the supply is in phase with the voltage. 2. Determine the active and reactive components of the current drawn by a series circuit consisting of a 1-H coil with 10-ohm resistance and a 150-µF capacitor connected to a 220-V, 60-Hz supply mains. Determine the value of the capacitor that must be connected in parallel with the above series circuit for the circuit's power factor to be unity. 3. A 220-V sinusoidal generator drives a parallel section consisting of a 5-µF capacitor in parallel with a coil with resistance and inductance of 20 ohms and 10 mH, respectively, at its resonance frequency. Determine the resonance frequency. 4. A current source with a source resistance of 50-k is used to power a tank circuit. The tank circuit having a 50-nF capacitor is connected in parallel with a coil with inductance and resistance of 30-mH and 100-22, respectively. Determine the values of (a) fr and (b) Qcoil.
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:TEST YOURSELF
1. A capacitor is connected to a 120-V, 60-Hz supply parallel with a coil with L = 6.63 mH and
R = 5. Determine the capacitance value at which the current drawn from the supply is in phase
with the voltage.
2. Determine the active and reactive components of the current drawn by a series circuit
consisting of a 1-H coil with 10-ohm resistance and a 150-µF capacitor connected to a 220-V,
60-Hz supply mains. Determine the value of the capacitor that must be connected in parallel
with the above series circuit for the circuit's power factor to be unity.
3. A 220-V sinusoidal generator drives a parallel section consisting of a 5-µF capacitor in parallel
with a coil with resistance and inductance of 20 ohms and 10 mH, respectively, at its resonance
frequency. Determine the resonance frequency.
4. A current source with a source resistance of 50-k is used to power a tank circuit. The tank
circuit having a 50-nF capacitor is connected in parallel with a coil with inductance and
resistance of 30-mH and 100-22, respectively. Determine the values of (a) fr and (b) Qcoil.
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