A. 4.18 J
B. 5.23 J
C. 6.23 J
D. 8 J
I had been asked this question by my college professor while I was bunking the class.
Origin of the question is Induction Motors in portion Speed Control of Direct Current Motors & Induction Motors of Electric Drives
For explanation: The calorie is the unit of energy. It is equal to 4.18 Joule. It is the amount of heat energy required to raise the temperature of one 1 g of water by 1° Celsius.