An immersion heater is rated 120W. How long does it take the heater to raise the temperature of 1.2kg of water by 15^oC. (Assuming heat lost to the surrounding is negligible. Specific heat capacity of water = 4200 Jkg^-1K^-1C)

Similar Questions

Suppose three identical steel balls Q, R, and S, are placed on an undulating ground as illustrated i...

In an operating X-ray tube, a high p.d is applied between the cathode and the anode for the purpose ...

Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an inclin...

The resultant of two forces 12N and 5N is 13N. What is the angle between the two forces? ...

The work done in extending a spring by 40 mm is 1.52J. Calculate the elastic constant of the spring....

A 100 kg device is pulled up a plane inclined at 30° to the horizontal with a force of 1000 N. I...

The displacement d produced in a glass block of thickness t and refractive index n when an object is...

Which of the following statements describes an atom accurately? i. atoms of all elements are iden...

A block of wood of mass 5kg is pulled on a platform by a force of 40N as illustrated in the diagram ...

A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long will it tak...