An energy saving stove when burning steadily has an efficiency of 60%. The stove melts 0.03kg of ice at 00c in 180 seconds. Calculate; - i)...

      

An energy saving stove when burning steadily has an efficiency of 60%. The stove melts 0.03kg of ice at 00c in 180 seconds. Calculate; -
i) The power rating of the stove.
ii) The heat energy wasted by the stove.

  

Answers


Wilfred
(i) At 60%, Q = ML = 0.03 x 3.36 x 105
At 100% power = 93.3 V or
stove12632019448.png

= 16,800J
thus, 40 x 16,800 = 6,720J

= 60J
Wilfykil answered the question on March 26, 2019 at 13:49


Next: State and explain the characteristics of one to be a motivating speaker.
Previous: What is leadership?

View More Physics Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions