Advertisements
Advertisements
Question
Give one example when:
Electric energy changes to mechanical energy.
Advertisements
Solution
In an electric motor, electric energy changes to mechanical energy.
RELATED QUESTIONS
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
Name six different forms of energy?
What is hydro energy?
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
Write five forms of energy.
What do you understand by the kinetic energy of the body?
What is the main energy transformation that occur in:
Charging of a battery.
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
State the energy changes which take place when:
An air gun is loaded and then fired.
Give one example when:
Heat energy changes to kinetic energy.
