Calculate the time in which 4.8 kJ of energy would be expended when an electric heater of resistance 1.8 x 10³Ω is used on a 240 V mains supply. (Neglect heat losses to the surrounding).

Similar Questions

Two balls X and Y weighing 5 g and 50 kg respectively were thrown up vertically at the same tim...

Which of the following is not part of the electromagnetic spectrum? ...

The count rate of a radioactive material is 800 count/min. If the half-life of the material is 4 day...

The equation of a certain progressive transverse wave is y = 2 sin 2 \(\pi ( \frac{t}{0.01} - \frac{...

According to kinetic molecular model, in gases ...

A body of volume 0.046m3 is immersed in a liquid of density 980kgm-3 with \(\frac{3}{4}\) of its vol...

The electric field intensity in a place where a charge of 10-10c experiences a force of 0.4N is?...

In 24 days a radioactive isotope decreases in mass from 64g to 2g. What is the half life of the radi...

Which of the following is stored by dry Leclanche cell? ...

The diagram above represents an experimental set-up for verifying? ...