1. The switch in the circuit shown in the Figure has been closed for a long time before it is opened at t = 0. SW R3 R₁ ww 10 ΚΩ ww 15 ΚΩ i(t) + V₂ с R₂ 36 ΚΩ 18 V R₁ 30 ΚΩ v(t) T9μF a. Find the initial voltage Vo across the capacitor at t = 0. b. After switch is opened, find the resistance seen from the capacitor. C. Find the time constant t. d. Find voltage v(t) across the capacitor for t 20 and Sketch or plot v(t) for t > 0. Solution:

1. The switch in the circuit shown in the Figure has been closed for a long time before it is opened at t = 0. SW R3 R₁ ww 10 ΚΩ ww 15 ΚΩ i(t) + V₂ с R₂ 36 ΚΩ 18 V R₁ 30 ΚΩ v(t) T9μF a. Find the initial voltage Vo across the capacitor at t = 0. b. After switch is opened, find the resistance seen from the capacitor. C. Find the time constant t. d. Find voltage v(t) across the capacitor for t 20 and Sketch or plot v(t) for t > 0. Solution:

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 2PP: Assume that the current flow through the resistor, IR, is 15 A; the current flow through the...

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