Answers
>
Physics
>
GCSE
>
Article
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
Answered by
Ethan B.
•
Physics tutor
7382 Views
See similar Physics GCSE tutors
Related Physics GCSE answers
All answers ▸
A tractor pulls a plough 2km across a field using a constant force of 8N, what is the work done by the tractor?
An electric Iron rated at 2600 W contains a steel plate, heated to a working temperature of 215°C. Room temp=18°C. Deduce whether the plate could reach its working temperature in less than 1 minute. Mass (steel plate)=890g & C (steel)=450J/kg/K
What is teminal velocity?
The energy transferred from the water in the kettle to its surroundings in 2 hours is 46 200 J. The mass of water in the kettle is 0.50 kg. The specific heat capacity of water is 4200 J/kg °C. What is its temperature after 2 hours?