A capacitor with an initial potential difference of 50 V is discharged through a 106 resistor when a switch between them is closed at t=0. At t=2 s, the potential difference across the capacitor is 25 V. What is the capacitance of the capacitor?

A capacitor with an initial potential difference of 50 V is discharged through a 106 resistor when a switch between them is closed at t=0. At t=2 s, the potential difference across the capacitor is 25 V. What is the capacitance of the capacitor?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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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

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Problem 5
A capacitor with an initial potential difference of 50 V is discharged through a 106 N
resistor when a switch between them is closed at t=0. At t=2 s, the potential
difference across the capacitor is 25 V. What is the capacitance of the capacitor?
(1) 2.9x10-6 F (2) 2.0x10-6 F (3) 3.5x105 F (4) 3.5x10-7 F (5) 0.5 F

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