Calculate the power rating of an immersion heater used for 10 minutes to increase the
PHYSICS
WAEC 1999
Calculate the power rating of an immersion heater used for 10 minutes to increase the temperature of 10kg of water by 15K. (Specific heat capacity of water = 4200 J l-1K-1)
- A. 1,050W
- B. 16,800W
- C. 18,060W
- D. 20,160W
Correct Answer: A. 1,050W
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