Calculate the resistance of the filament of a lamp rates 240 V, 40 W

Similar Questions

Given three capacitors 0.3μF, 0.5μF and 0.2μF, the joint capacitance when arranged to give minimu...

250g of lead at 170oC is dropped into 100g of water at 0oC. If the final temperature is 12oC, the sp...

A galvanometer with full-scale deflection of 10 mA is to be converted to a voltmeter with full-scale...

What change in velocity would be produced on a body of mass 4kg if a constant force of 16 N acts on ...

The graph in the fig above describes the motion of a particle. the acceleration of the particle duri...

The absolute zero temperature is defined as the temperature at which ...

To produce a parallel beam of light from a concave mirror, the distance at a which the lamp should b...

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

The force between the molecules of a liquid in contact with that of a solid is ...

What part of the camera corresponds to the iris of the eye? ...