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 ▸If Max weighed 17.2 N on Ceres (gravitational field strength of 0.27 N/kg), then what would she weigh on Earth. Give your answer to 3 s.f. and state your units.
A train is travelling at 50m/s. How long does it take the train to reach 60m/s if it accelerates at a constant rate of 0.5m/s^2? How many kilometres does it travel in this time?
Two students are provided with a starting pistol, a stopwatch and a long measuring tape. The starting pistol produces a loud sound and a puff of smoke. Describe how the students use the apparatus to calculate the speed of sound.
What does "superimposition" mean?