Power in a Decaying R-L Circuit Consider an R-L circuit with a DC voltage source, as shown in the figure (Figure 1). This circuit has a current In when t<0. At t = 0 the switch is thrown removing the DC voltage source from the circuit. The current decays to I (t) at time t. Part A What is the power, PR (t), flowing into the resistor, R, at time t? Express your answer in terms of I (t) and R. ▸ View Available Hint(s) P (t)= ΜΕ ΑΣΦ ? Figure 1 of 1 Submit Previous Answers × Incorrect; Try Again; 2 attempts remaining ww R Part B What is the power flowing into the inductor? Express your answer as a function of R and I (t). ▸ View Available Hint(s) P₁(t)= ΕΧΕΙ ΑΣΦ Submit Previous Answers ?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 84CP: In this chapter, most examples and problems involved direct current (DC). DC circuits have the...
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Power in a Decaying R-L Circuit
Consider an R-L circuit with a DC voltage source, as
shown in the figure (Figure 1).
This circuit has a current In when t<0. At t = 0 the
switch is thrown removing the DC voltage source from the
circuit. The current decays to I (t) at time t.
Part A
What is the power, PR (t), flowing into the resistor, R, at time t?
Express your answer in terms of I (t) and R.
▸ View Available Hint(s)
P (t)=
ΜΕ ΑΣΦ
?
Figure
1 of 1
Submit
Previous Answers
× Incorrect; Try Again; 2 attempts remaining
ww
R
Part B
What is the power flowing into the inductor?
Express your answer as a function of R and I (t).
▸ View Available Hint(s)
P₁(t)=
ΕΧΕΙ ΑΣΦ
Submit
Previous Answers
?
Transcribed Image Text:Power in a Decaying R-L Circuit Consider an R-L circuit with a DC voltage source, as shown in the figure (Figure 1). This circuit has a current In when t<0. At t = 0 the switch is thrown removing the DC voltage source from the circuit. The current decays to I (t) at time t. Part A What is the power, PR (t), flowing into the resistor, R, at time t? Express your answer in terms of I (t) and R. ▸ View Available Hint(s) P (t)= ΜΕ ΑΣΦ ? Figure 1 of 1 Submit Previous Answers × Incorrect; Try Again; 2 attempts remaining ww R Part B What is the power flowing into the inductor? Express your answer as a function of R and I (t). ▸ View Available Hint(s) P₁(t)= ΕΧΕΙ ΑΣΦ Submit Previous Answers ?
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