A coil of inductance 100 mH and resistance 800 ohm is connected in parallel with a variable The capacitor is across a 12V, 5 kHz supply. Determine for the condition when the supply current is a minimum: (a) the capacitance of the capacitor, (b) the dynamic resistance, (c) the supply current, and (d) the Q-factor

A coil of inductance 100 mH and resistance 800 ohm is connected in parallel with a variable The capacitor is across a 12V, 5 kHz supply. Determine for the condition when the supply current is a minimum: (a) the capacitance of the capacitor, (b) the dynamic resistance, (c) the supply current, and (d) the Q-factor

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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Concept explainers

Voltage Division Method

In the electronics branch, a voltage divider is required to produce a section of its input voltage as an output. This basic circuit may be prepared with two resistors or any passive elements along with the voltage source. The circuit resistors are attached in series and a voltage source is braced across these resistors. The input voltage can be transferred between the resistors in the circuit for the voltage division to occur. The SI unit of electrical resistance is ohm (Ω) or kilo-ohms (kΩ).

Question

A coil of inductance 100 mH and resistance 800 ohm is connected in parallel with
a variable The capacitor is across a 12V, 5 kHz supply. Determine for the
condition when the supply current is a minimum: (a) the capacitance of the
capacitor, (b) the dynamic resistance, (c) the supply current, and (d) the Q-factor

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