Calculate the time taken to heat 2kg of water from 50°C to 100°C in an electric kettle taking 5A, from a 210V supply. (Specific heat capacity of water = 4200$kg^{-1}K{-1}$

Similar Questions

Which of these expresses the relationship between the earth’s magnetic field FE, and the field...

A rectangular coil of wire can rotate in a magnetic field. The ends of the coil are soldered to the ...

An object of mass 50kg is released from a height of 2m.Find the kinetic energy just before it strike...

Light travels at the fastest speed in ...

A positively charged glass rod is placed by near the cap of a positively charge electroscope. The di...

A short response time is obtained in a liquid-in-glass thermometer when the ...

If a mango fruit dropped at a height of 50 meters. How long does it reach the ground? (take g = 10m/...

When a positively charged rod is brought nearer the cap of a positively charged electroscope, the le...

in a nuclear fission process, the mass defect was 1.2 x 10-5kg. Calculate the energy released. [spee...

When the temperature of a liquid is increased, its surface tension? ...