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)

  • 1,050W checkmark
  • 16,800W
  • 18,060W
  • 20,160W

The correct answer is: A

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