1
Q
Equation for Efficiency
A
Efficiency = Useful output energy transfer / Total input energy transfer
Or
Efficiency = Useful power output / Total power input
2
Q
No device is …..% efficient
A
100
Physics Topics 1,2,3,4
flashcards
Decks in class (25)
# Cards
-
T1 - Energy Stores and Systems4
-
T1 - Kinetic and Potential Energy Stores6
-
T1 - Specific Heat Capacity2
-
T1 - Conservation of Energy and Power4
-
T1 - Conduction and Convection1
-
T1 - Reducing Unwanted Energy Transfers1
-
T1 - Efficiency2
-
T1 - Energy Resources and their Uses2
-
T1 - Wind, Solar and Geothermal2
-
T1 - Hydro-electricity, Waves and Tides0
-
T1 - Bio-fuels and Non-renewable's0
-
T1 - Trends in Energy Resource use1
-
T2 - Current and Circuit Symbols4
-
T2 - Resistance and V - IR4
-
T2 - Resistance and I-V Characteristics0
-
T2 - Circuit Devices2
-
T2 - Series Circuits3
-
T2 - Parallel Circuits2
-
T2 - Investigating Resistance0
-
T2 - Electricity in the Home1
-
Power of Electrical Appliances2
-
T2 - More on Power0
-
T2 - The National Grid0
-
T2 - Static Electricity0
-
T2 - Electrical Fields0
