1 calorie is equal to ________ A. 4.18 J B. 5.23 J C. 6.23 J

1-calorie-is-equal-to-a-4-18-j-b-5-23-j-c-6-23-j

1 calorie is equal to ________

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

The correct answer is A. 4.18 J

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.