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26 Dec 2020

What is the power in the magnetic field if the current in a coil has a constant inductance of henry’s grows at a uniform rate?

 

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Electricity and Magnetism
Skill
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

An inductor coil stores 32J of magnetic field energy and dissipates energy as heat at a rate of 320W when a current of 4A is passed through it. The inductance of the coil is__

 

A rectangular coil has with resistance R has N turns, each of length 'l' and width 'w' as shown in the figure. The coil moves into a uniform magnetic field B with constant velocity v. What is the magnitude and direction of the total magnetic force on the coil as it enters the magnetic field B.

 

A solenoid consists of N = 110 turns of wire length d= 6 cm and cross-sectional area A = 3 cm2. Assume that the magnetic field inside the solenoid and ignore end effects. 

 

(a) Write an equation for the magnetic field B produced by the solenoid. Express the answer in terms of the current through the coil I, the number of turns N, length of the coil d, and permeability of free space   .

 

(b) Using the equation for the magnetic field determined in part (a), calculated the magnetic flux, in webers, through a single loop of the solenoid with a current of I = 1.9 A. The coil is d = 6 cm long and has a cross-sectional area of 3 cm2 and consists of 110 turns. 

 

(c) The self inductance related the magnetic flux linkage to the current through the coil. Calculate the self inductance L in units of . THe coil is d = 6 cm long and has a cross-sectional area A = 3 cm2 and consists of N =110 turns. 

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