The battery terminal voltage in the figure below is &= 6.90 V and the current I reaches half its maximum value of 4.00 A at t= 0.160 s after the switch is closed.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter17: Resistive-inductive Series Circuits
Section: Chapter Questions
Problem 2PA: You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor...
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The battery terminal voltage in the figure below is E = 6.90 V and the current I reaches half its maximum value of 4.00 A at t = 0.160 s after the switch is closed.
HINT
R
w
(a) Calculate the time constant 7 (in s).
0.16
X S
(b) What is the potential difference (in V) across the inductor at t = 0.160 s?
-6.9
X V
(c) What is the potential difference (in V) across the inductor in the instant after the switch is closed at t = 0?
6.90
✓ V 4
-O-
Transcribed Image Text:The battery terminal voltage in the figure below is E = 6.90 V and the current I reaches half its maximum value of 4.00 A at t = 0.160 s after the switch is closed. HINT R w (a) Calculate the time constant 7 (in s). 0.16 X S (b) What is the potential difference (in V) across the inductor at t = 0.160 s? -6.9 X V (c) What is the potential difference (in V) across the inductor in the instant after the switch is closed at t = 0? 6.90 ✓ V 4 -O-
given &
9=6.90
A=400
t=0·160
a)
е
I -
Io (1-e² )
0.160
t
0-160
en (s)
=
b)
6.90 x
c) E. e
I
In
(*(501X 00.1)
= 0.160
0.16
- (1-05)
afhe
=>
690 xe6
-0.16
6.90 x 1 x 20 t
70
0.160
T
6.9
Zenel=1
=/0.160
es
saa =
P
&-01 x ²246 = A
Transcribed Image Text:given & 9=6.90 A=400 t=0·160 a) е I - Io (1-e² ) 0.160 t 0-160 en (s) = b) 6.90 x c) E. e I In (*(501X 00.1) = 0.160 0.16 - (1-05) afhe => 690 xe6 -0.16 6.90 x 1 x 20 t 70 0.160 T 6.9 Zenel=1 =/0.160 es saa = P &-01 x ²246 = A
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