Calculate the heat loss in the electric motor for time interval 0-5 sec using the following data: Ia=2 A, Ra=.8Ω.(a) 16 J-sec(b) 14 J-sec(c) 12 J-sec(d) 10 J-secI have been asked this question by my college professor while I was bunking the class.This question is from Motors Rating and Heating topic in chapter Rating and Heating of Motors of Electric Drives

Calculate the heat loss in the electric motor for time interval 0-5 se

1.	Calculate the heat loss in the electric motor for time interval 0-5 sec using the following data: Ia=2 A, Ra=.8Ω.(a) 16 J-sec(b) 14 J-sec(c) 12 J-sec(d) 10 J-secI have been asked this question by my college professor while I was bunking the class.This question is from Motors Rating and Heating topic in chapter Rating and Heating of Motors of Electric Drives
Answer» The correct answer is (a) 16 J-sec To explain: The heat loss can be CALCULATED USING the Joule LAW of HEATING effect. The value of the heat loss is Ia^2×Ra×t=4×4=16 J-sec.

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