The 4.00 A current through a 1.30 H inductor is dissipated by a 2.00 Ω resistor in a circuit like that in the figure below with the switch in position 2. a. What is the initial energy in the inductor? b. How long will it take the current to decline to 15.00% of its initial value? c. Calculate the average power dissipated in the inductor. d. What is the ratio of the initial power dissipated by the resistor to the average power dissipated by the inductor?
The 4.00 A current through a 1.30 H inductor is dissipated by a 2.00 Ω resistor in a circuit like that in the figure below with the switch in position 2. a. What is the initial energy in the inductor? b. How long will it take the current to decline to 15.00% of its initial value? c. Calculate the average power dissipated in the inductor. d. What is the ratio of the initial power dissipated by the resistor to the average power dissipated by the inductor?
Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 53AP: A 7.0-mH induct is connected across a 60-Hz ac source whose voltage amplitude is 50 V. (a) What is...
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The 4.00 A current through a 1.30 H inductor is dissipated by a 2.00 Ω resistor in a circuit like that in the figure below with the switch in position 2.
a. What is the initial energy in the inductor?
b. How long will it take the current to decline to 15.00% of its initial value?
c. Calculate the average power dissipated in the inductor.
d. What is the ratio of the initial power dissipated by the resistor to the average power dissipated by the inductor?
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Step 1: Given data
VIEWStep 2: Calculation of the initial energy stored in inductor
VIEWStep 3: Calculation of the time taken to decline the current to 15% of its initial value
VIEWStep 4: Calculation of the average power dissipated in inductor
VIEWStep 5: Comparing the power dissipation in resistance to the inductor
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