question below thanks SCR(a.3) When using a battery of emf e to build up current I in an inductor in series with aresistor R, application of Kirchhoff's loop rule givesE - IR – LIP= 0,dtwhich has a solution.1(1) = (1 - e *).Draw the corresponding circuit diagram and comment on similarities and differencesbetween this RL circuit and the RC circuit above and its current.(a.4) By relating Faraday's law to the magnetic flux created by the current through a coil,explain how an emf is induced through self-inductance. You may either use equationsor explain in words.

Answered: (a.3) When using a battery of emf ɛ to…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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S
C
R
(a.3) When using a battery of emf e to build up current I in an inductor in series with a
resistor R, application of Kirchhoff's loop rule gives
E - IR – L
IP
= 0,
dt
which has a solution.
1(1) = (1 - e *).
Draw the corresponding circuit diagram and comment on similarities and differences
between this RL circuit and the RC circuit above and its current.
(a.4) By relating Faraday's law to the magnetic flux created by the current through a coil,
explain how an emf is induced through self-inductance. You may either use equations
or explain in words.

Expert Solution

Step 1

RL circuit :

The RL circuit consists of resistance and inductance connected in series with a battery source. The current from the voltage source experiences infinite resistance initially when the switch is closed.

As soon as the RL circuit reaches to steady state, the resistance offered by inductor coil begins to decrease and at a point, the value of resistance of RL circuit becomes zero.

Variation of current w.r.t flux is shown in below figure,

The flux linking with the inductor coil creates the magnetic field around it. The slope of the graph depicts the value of inductance while the area covered by the graph determines the energy stored in the form of magnetic field.

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