A circuit consists of a 5μF capacitor connected in series with a 10 kΩ resistor with a switchable 80V DC supply. When the supply is connected, calculate: a. the time constant b. the maximum current c. the voltage across the capacitor after 0.5 s

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

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Concept explainers

Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

Question

A circuit consists of a 5μF capacitor connected in series with a 10 kΩ resistor with a switchable 80V DC supply. When the supply is connected, calculate:

a. the time constant
b. the maximum current
c. the voltage across the capacitor after 0.5 s
d. the current flowing after one time constant
e. the voltage across the resistor after 0.1s
f. the time for the capacitor voltage to reach 45V
g. the initial rate of voltage rise

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