d. The time taken for the coil to become fully energised. e. Calculate the peak voltage at the instant the switch is moved to position 2 (assuming steady state conditions have been achieved before switching). f. The potential difference across the 500 resistor after 20ms. g. Calculate the time taken for the coil current to fall to 20% of its normal running value after the switch is moved to position 2 (assuming steady state conditions have been achieved
d. The time taken for the coil to become fully energised. e. Calculate the peak voltage at the instant the switch is moved to position 2 (assuming steady state conditions have been achieved before switching). f. The potential difference across the 500 resistor after 20ms. g. Calculate the time taken for the coil current to fall to 20% of its normal running value after the switch is moved to position 2 (assuming steady state conditions have been achieved
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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Can you please help with d, e and f I have added my answers from a, b and c thank you

Transcribed Image Text:*
Paragraph
V1¹
12V
17
et
R2
500
R1
1002
Styles
a. Explain with the aid of diagrams, the operation of the circuit with the switch first in
position 1, and then in position 2.
Inductor
470mH
hp
b. Calculate the total current supplied to the circuit 65ms after the switch is moved to
position 1.
D
c. The time taken for the voltage across the coil to reach 75% of its initial value.
d. The time taken for the coil to become fully energised.
e. Calculate the peak voltage at the instant the switch is moved to position 2
(assuming steady state conditions have been achieved before switching).
f.
The potential difference across the 500 resistor after 20ms.
g. Calculate the time taken for the coil current to fall to 20% of its normal running value after
the switch is moved to position 2 (assuming steady state conditions have been achieved
before switching).
PDF
OFC

Transcribed Image Text:Task 1
A) When the switch is in position 1 inductor will be charged by the battery and when the switch
is in position 2 the inductor will discharge back into the circuit through the 50 ohm resistor
able
B) I(t) = Il(∞) - (Il(∞) – 11(0))e
C) Vl(t)
Task 2
الـال
fs
=
ldi(t)
dt
10
470
P
12
Il (0) = = 1.2A
10
Il(0) = 0A
1(65) = 1.2 (1 -
e
I(65) = 0.9A
= 470x1.2x xe470
-10
Vl(t) = 12x e 470
VI(T) = 75% of VI(0)
75
VI(T)
-x12 = 9
100
-10
12xe 470XT
9
T = 13.52
-10x65
470
W
hp
I
PDF
Focu
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