Which of the following best describes the energy changes ...
Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?
heat ----> Light----> Sound ----> Kinetic
Kinetic ----> Light ----> Heat ----> Electricity
heat ----> Kinetic ----> Electricity ----> Heat and Light
electricity ----> Kinetic ----> Heat ----> Light
Correct answer is C
The steam engine uses the Heat supplied from steam to supply kinetic energy into the generator which converts it to electricity to light the lamp, the lamp gives out light and heat as it works
Calculate the effective capacitance of the circuit in the diagram given ...
A rectangular piece of iron measuring 4 cm by 3 cm at 20oC is heated until its temperature...
Which statement is a correct consequence of the uncertainly principle? ...
Which of the following is not true of an electrical charge? ...