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26 Dec 2020

The current in an inductor, if the energy stored is 160J and the inductance is 20H.

 

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Electricity and Magnetism
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Understanding energy stored in an inductor
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Uttam Saikia
Uttam SaikiaLv10
26 Dec 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A 5.00 mH inductor has a current of 7.50 mA flowing through it, while a 5.00 mF capacitor holds a charge of 7.50 mC. (a) What is the magnetic potential energy stored in the inductor? (b) What is the electric potential energy stored in the capacitor? (c) The inductance and the capacitance are both tripled. What is the ratio of the new potential energy in the inductor to the old, and of the new potential energy in the capacitor to the old? (d) The inductance and capacitance are returned to their original values, and the current and the capacitor's stored charge are both doubled. Now what are the ratios of the new potential energies to the old?

A 5.00 mH inductor has a current of 7.50 mA flowing through it, while a 5.00 mF capacitor holds a charge of 7.50 mC. (a) What is the magnetic potential energy stored in the inductor? (b) What is the electric potential energy stored in the capacitor? (c) The inductance and the capacitance are both tripled. What is the ratio of the new potential energy in the inductor to the old, and of the new potential energy in the capacitor to the old? (d) The inductance and capacitance are returned to their original values, and the current and the capacitor's stored charge are both doubled. Now what are the ratios of the new potential energies to the old?

A 5.00 mH inductor has a current of 7.50 mA flowing through it,while a 5.00 mF capacitor holds a charge of 7.50 mC.

(a) What is the magnetic potential energy stored in the inductor?(joules)
(b) What is the electric potential energy stored in the capacitor?(joules)
(c) The inductance and the capacitance are both tripled. What isthe ratio of the new potential energy in the inductor to the old,and of the new potential energy in the capacitor to the old?
Answer for inductor = 4,3,2,1/2,1/3,1/4, Answer for capacitor =4,3,2,1,1/2,1/3,1/4
(d) The inductance and capacitance are returned to their originalvalues, and the current and the capacitor's stored charge are bothdoubled. Now what are the ratios of the new potential energies tothe old?
Answer for inductor = 4,3,2,1/2,1/3,1/4, Answer for capacitor =4,3,2,1/2,1/3,1/4

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