The initial current in a 4 mH inductor is zero. For t> 0, measured in seconds, the current is i (t) = 8e-300t 8e-1200t A. Part A Find the initial voltage across the inductor in the direction of the current. Express your answer to three significant figures and include the appropriate units. Submit v(0+)= Value Part B LO t = ΜΑ Request Answer μA Find the instant in time, greater than zero, when the voltage across the inductor is zero. Express your answer to three significant figures and include the appropriate units. Value Units Units ? ?

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 2PP: Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the...
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**Note: There is no circuit given for this problem.

Part C
Select the correct expression for the power delivered to the inductor.
O p(t) = 192e-750t - 38.4e¯ - 153.6e
-300t
O p(t) = 192e-1500t - 38.4e-600t
- 153.6e
Op(t) = 384e-750t
76.8e-300t
○ p(t) = 384e-1500t
- 76.8e-600t
Submit
Part D
t =
Request Answer
0
μÅ
- 307.2e
Value
-1200t
307.2e
Units
-2400t
-1200t
Find the time at which the power delivered to the inductor is maximum.
Express your answer to three significant figures and include the appropriate units.
W
-2400t
?
W
W
W
Transcribed Image Text:Part C Select the correct expression for the power delivered to the inductor. O p(t) = 192e-750t - 38.4e¯ - 153.6e -300t O p(t) = 192e-1500t - 38.4e-600t - 153.6e Op(t) = 384e-750t 76.8e-300t ○ p(t) = 384e-1500t - 76.8e-600t Submit Part D t = Request Answer 0 μÅ - 307.2e Value -1200t 307.2e Units -2400t -1200t Find the time at which the power delivered to the inductor is maximum. Express your answer to three significant figures and include the appropriate units. W -2400t ? W W W
The initial current in a 4 mH inductor is zero. For
t> 0, measured in seconds, the current is
8e-300t
- 8e-1200t A.
i (t)
=
Part A
Find the initial voltage across the inductor in the direction of the current.
Express your answer to three significant figures and include the appropriate units.
v(0+) =
Submit
Part B
t =
Value
μÅ
Request Answer
μÅ
Find the instant in time, greater than zero, when the voltage across the inductor is zero.
Express your answer to three significant figures and include the appropriate units.
Value
Units
Units
?
?
Transcribed Image Text:The initial current in a 4 mH inductor is zero. For t> 0, measured in seconds, the current is 8e-300t - 8e-1200t A. i (t) = Part A Find the initial voltage across the inductor in the direction of the current. Express your answer to three significant figures and include the appropriate units. v(0+) = Submit Part B t = Value μÅ Request Answer μÅ Find the instant in time, greater than zero, when the voltage across the inductor is zero. Express your answer to three significant figures and include the appropriate units. Value Units Units ? ?
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