7. A circuit consisting of a battery (ɛ = 30 V), two resistors (R1 = 10 2 and R2 = 15.0 Q), andinductor (L = 0.80 H), and a switch are arranged as shown. At time t=0, the switch is closed.R2Sa) What is the current in the resistor R1 just after the switch is closed?b) How much power is dissipated in R1 after the switched has been closed a long time?c) After leaving the switch closed for a very long time, it is opened again. Just after it is opened,what is the current in R1?

To solve the above question, one should understand the behavior of an Inductor and a Capacitor in a…

7. A circuit consisting of a battery (ɛ = 30 V), two resistors (R1 = 10 2 and R2 = 15.0 2), and inductor (L = 0.80 H), and a switch are arranged as shown. At time t=0, the switch is closed. R2 R1 a) What is the current in the resistor R1 just after the switch is closed?

7. A circuit consisting of a battery (ɛ = 30 V), two resistors (R1 = 10 2 and R2 = 15.0 2), and inductor (L = 0.80 H), and a switch are arranged as shown. At time t=0, the switch is closed. R2 R1 a) What is the current in the resistor R1 just after the switch is closed?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

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Concept explainers

KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.

Question

7. A circuit consisting of a battery (ɛ = 30 V), two resistors (R1 = 10 2 and R2 = 15.0 Q), and
inductor (L = 0.80 H), and a switch are arranged as shown. At time t=0, the switch is closed.
R2
S
a) What is the current in the resistor R1 just after the switch is closed?
b) How much power is dissipated in R1 after the switched has been closed a long time?
c) After leaving the switch closed for a very long time, it is opened again. Just after it is opened,
what is the current in R1?

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