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Solved: An inductor used in a dc power supply has an
Chapter 30, Problem 16E(choose chapter or problem)
Problem 16E
An inductor used in a dc power supply has an inductance of 12.0 H and a resistance of 180 Ω. It carries a current of 0.300 A. (a) What is the energy stored in the magnetic field? (b) At what rate is thermal energy developed in the inductor? (c) Does your answer to part (b) mean that the magnetic-field energy is decreasing with time? Explain.
Questions & Answers
QUESTION:
Problem 16E
An inductor used in a dc power supply has an inductance of 12.0 H and a resistance of 180 Ω. It carries a current of 0.300 A. (a) What is the energy stored in the magnetic field? (b) At what rate is thermal energy developed in the inductor? (c) Does your answer to part (b) mean that the magnetic-field energy is decreasing with time? Explain.
ANSWER:
Solution 16E
Step 1 :
Introduction :
In this question, we need to find the energy in the magnetic field
In second part, we need to find the rate at which thermal energy is developed in the inductor
And finally we need to explain if the result second part, mean magnetic field energy is decreasing with time
Data given
Inductance
Resistance
Current