Answered: 1 ohmic resistor can convert all of the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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1 ohmic resistor can convert all of the 50 W of electricity into heat. Can the same amount of heat be converted into electricity by this resistor and why?

a)None of the above

b)No, Second law of thermodynamics dictates the directionality of the processes and prevents it to happen in the opposite direction

c)No, from the caloric theory standpoint, it is not possible.

d)Yes, First law of thermodynamics dictates that heat and work are the same and they can give the same change in the state of a system.

e)Yes, Second law of thermodynamics recognizes that both processes are possible and therefore, no problem.

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