Consider a circuit composed of a battery (ɛ= 20 V), a resistor (R = 10 Q) and an inductor (L = 1 mH) all connected in series. Before t=0, the system is in steady state and the current in the circuit i(t) is at its maximum possible value (Imax). At t=0, the battery is removed and replaced by a wire, the circuit then consists in a single loop with the inductor and the resistor in series (no more battery). (a) Find the current in the inductor i(t) as a function of time (provide details on how to find the solution including the exact value of Imax). (b) Do a schematic plot of the current in the inductor as a function of time and calculate the time constant of the system (c) How long will it take for the current i(t) to reach 0.367 (~1/e) of its initial maximal value Imaz ?
Consider a circuit composed of a battery (ɛ= 20 V), a resistor (R = 10 Q) and an inductor (L = 1 mH) all connected in series. Before t=0, the system is in steady state and the current in the circuit i(t) is at its maximum possible value (Imax). At t=0, the battery is removed and replaced by a wire, the circuit then consists in a single loop with the inductor and the resistor in series (no more battery). (a) Find the current in the inductor i(t) as a function of time (provide details on how to find the solution including the exact value of Imax). (b) Do a schematic plot of the current in the inductor as a function of time and calculate the time constant of the system (c) How long will it take for the current i(t) to reach 0.367 (~1/e) of its initial maximal value Imaz ?
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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Please a) to c). Thank you!
![Consider a circuit composed of a battery (ɛ= 20 V), a resistor (R = 10 Q) and an inductor (L = 1 mH) all connected
in series. Before t=0, the system is in steady state and the current in the circuit i(t) is at its maximum possible
value (Imax). At t=0, the battery is removed and replaced by a wire, the circuit then consists in a single loop
with the inductor and the resistor in series (no more battery).
(a) Find the current in the inductor i(t) as a function of time (provide details on how to find the solution including
the exact value of Imax).
(b) Do a schematic plot of the current in the inductor as a function of time and calculate the time constant of the
system
(c) How long will it take for the current i(t) to reach 0.367 (~1/e) of its initial maximal value Imar ?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faccbf6ca-7ac4-4136-91e4-e4c88b636171%2F2b83e5ce-0c7c-4f4e-bcf2-d2132125bc8a%2Fwkyig3e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider a circuit composed of a battery (ɛ= 20 V), a resistor (R = 10 Q) and an inductor (L = 1 mH) all connected
in series. Before t=0, the system is in steady state and the current in the circuit i(t) is at its maximum possible
value (Imax). At t=0, the battery is removed and replaced by a wire, the circuit then consists in a single loop
with the inductor and the resistor in series (no more battery).
(a) Find the current in the inductor i(t) as a function of time (provide details on how to find the solution including
the exact value of Imax).
(b) Do a schematic plot of the current in the inductor as a function of time and calculate the time constant of the
system
(c) How long will it take for the current i(t) to reach 0.367 (~1/e) of its initial maximal value Imar ?
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