Answered: 2kQ B 30V(t 0.5mF +)10V

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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Question

what's the capacitor voltage 1s after the switch moved to position c?

Expert Solution

Step 1

Consider the switch is connected to position A for a long time just before the switch is moved to position c. In this situation, the circuit is under the steady-state condition. Under the steady-state condition, the capacitor behaves as the open-circuit.

Draw the circuit diagram just before the switch is moved to the position c.

Step 2

From the circuit diagram, the current flowing through the resistor, 2 kΩ is zero as it is open-circuited. Thus, the voltage across the capacitor will be equal to the 30 V.

Step 3

Draw the circuit diagram when the switch is moved to position c.

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