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A 433 V battery is used to charge a 6.46 µF capacitor. Now the capacitor is connected in series with a 4.47 mH resistanceless coil, a variable resistor (rheostat) and an open switch. Initially the rheostat is set to 0 N. When the switch is closed, the circuit oscillates with frequency fo: To what value would you have to set the rheostat so, when you repeated the process, the frequency drops by 22.8%? Give the value in Ohms.

A 433 V battery is used to charge a 6.46 µF capacitor. Now the capacitor is connected in series with a 4.47 mH resistanceless coil, a variable resistor (rheostat) and an open switch. Initially the rheostat is set to 0 N. When the switch is closed, the circuit oscillates with frequency fo: To what value would you have to set the rheostat so, when you repeated the process, the frequency drops by 22.8%? Give the value in Ohms.

Introductory Circuit Analysis (13th Edition)
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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A 433 V battery is used to charge a 6.46 µF capacitor. Now the capacitor is connected in series with a 4.47 mH resistanceless coil, a variable resistor (rheostat) and an open switch. Initially the rheostat is set to0 N. When the switch is closed, the circuit oscillates with frequency fo. To what value would you have to set the rheostat so, when you repeated the process, the frequency drops by 22.8%? Give the value in Ohms.
Transcribed Image Text:A 433 V battery is used to charge a 6.46 µF capacitor. Now the capacitor is connected in series with a 4.47 mH resistanceless coil, a variable resistor (rheostat) and an open switch. Initially the rheostat is set to0 N. When the switch is closed, the circuit oscillates with frequency fo. To what value would you have to set the rheostat so, when you repeated the process, the frequency drops by 22.8%? Give the value in Ohms.
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