A 2.0KW immersion heater is used to heat 5.0 x 10¯³m³ of water from 230C to 1000C. Given that 30% of the heat is lost to...

      

A 2.0KW immersion heater is used to heat 5.0 x 10ˉ³m³ of water from 230C to 1000C.
Given that 30% of the heat is lost to the surrounding, calculate the time needed for the heating process. Take specific heat capacity of water = 4200J/kgk, density of water = 1000kg/m³.

  

Answers


Kavungya
fig5362019839.png
Kavungya answered the question on June 3, 2019 at 05:40


Next: A 1kg lump of solid wax is heated uniformly by a 100W heating element until after it has all melted. The graph below shows how...
Previous: Draw a clear labeled diagram of a common hydrometer which is suitable for measuring the densities of liquid varying between 1.0 and 1.2 g/cm³.

View More Physics Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions