OCR GCSE Gateway Science Suite - Combined Science A J250 · P5.2

Power and efficiency

Code: P5.2
In: P5 Energy
Course: GCSE Gateway Science Suite - Combined Science A J250
Board: OCR

Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.

Points under P5.2

PM5.2i Efficiency equation
P5.2a Energy dissipation
P5.2b Energy transfer in domestic devices
P5.2c Power ratings of appliances
P5.2d Calculating efficiency
P5.2e Increasing efficiency
P5.2f Reducing unwanted energy transfer
P5.2g Walls and rate of cooling

Points in P5 Energy

P5.1 Work done
P5.2 Power and efficiency