In most transformers, why is the power output is less than the power input.

As some energy is lost as heat/sound meaning the transformer is not 100% efficient

EB

Related Physics GCSE answers

All answers ▸

Describe the transfers of energy occurring when a ball is thrown vertically up in the air and falls back down to Earth, assuming there is no friction from the air.


Explain how Pumped-storage hydropower (PSH) can store energy.


Give one advantage and one disadvantage of using nuclear power stations rather than gas-fired power stations to generate electricity. (2 Marks)


Explanation of alpha scattering experiment