A large capacitor of 1000 μF is charged by a steady current of 1 mA until it reaches a voltage of100 V. At that voltage, the charging circuit is disconnected. a) Calculate how long the charging takes. b) A 10 kΩ resistor is connected across the capacitor to discharge it. Sketch a graph of the current I in the resistor as a function of time, with appropriate numbers and units marked on the axe
A large capacitor of 1000 μF is charged by a steady current of 1 mA until it reaches a voltage of100 V. At that voltage, the charging circuit is disconnected. a) Calculate how long the charging takes. b) A 10 kΩ resistor is connected across the capacitor to discharge it. Sketch a graph of the current I in the resistor as a function of time, with appropriate numbers and units marked on the axe
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 large capacitor of 1000 μF is charged by a steady current of 1 mA until it reaches a voltage of100 V. At that voltage, the charging circuit is disconnected.
-
a) Calculate how long the charging takes.
-
b) A 10 kΩ resistor is connected across the capacitor to discharge it. Sketch a graph of the current I in the resistor as a function of time, with appropriate numbers and units marked on the axes.
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