Multiple choice general knowledge science & technology What is the amount of energy release rate in a candle. 15 W 45 W 75 W 150 W Reveal answer Fill a bubble to check yourself A Correct answer Explanation A typical candle releases energy at approximately 15 W. This represents the heat output from the combustion of wax. Options B, C, and D (45 W, 75 W, 150 W) are too high for a small candle flame.