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.
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.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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B. Answer 3 and 4
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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