A1 LT5 Flashcards
1
Q
How can an object transfer energy to another object?
A
By doing work on it
2
Q
What does power represent?
A
Rate of doing work
3
Q
What is the relationship between energy, power, and time?
A
Energy = Power x Time
4
Q
What is the unit of energy in electrical terms?
A
Kilowatt Hour
5
Q
How can the energy possessed by the water in a lake be transferred to the turbine of a dam?
A
By allowing the water to drop onto the turbine
6
Q
What is the unit of power?
A
Kilowatt
7
Q
What is the unit of time used in electrical units?
A
Hour
8
Q
What is the product of EMF current and time
A
Energy
9
Q
The product of emf and current
A
Power
10
Q
The product of power and time is ?
A
Energy