How long will it take to heat 3kg of water from 28^oC to 88^oC in an electric kettle taking 6a from a 220V supply? [specific heat capacity of water = 4180 J kg^-1K^-1]

Similar Questions

An object is situated within the Earth's gravitational field. Which of the following factor does...

What is the frequency of a radio wave of wavelength 150m if the velocity of radio waves in free spac...

Uranium of atom number 92 and mass number 238 emits an alpha particle from its nucleus. The new nucl...

A train of mass 1600 kg attains a speed of 25 ms$^{-1}$ in 20 seconds. The power developed in the ...

The energy stored in a capacitor of capacitance 10μF carrying a charge of 100μC...

A machine is used to lift a load of 20 N through a height of 10 m. if the efficiency of the machine ...

Which of the following properties make the convex mirror useful as a driving mirror? i. the image...

Momentum and Kinetic energy are conserved in ...

A device that converts mechanical energy into electrical energy is ...

A stone, Q is thrown with velocity U at an angle of 75o to the horizontal. Another stone R is thrown...