#1
Which of the following is a renewable source of energy?
2 answered
#2
What is the primary function of a wind turbine?
2 answered
#3
What is the unit of power?
2 answered
#4
In which energy conversion process does nuclear fusion occur?
2 answered
#5
Which type of energy resource is coal?
3 answered
#6
Which law of thermodynamics states that energy cannot be created or destroyed, only transformed or transferred?
2 answered
#7
What is the efficiency of a machine that converts 400 J of input energy into 320 J of output energy?
2 answered
#8
What is the SI unit of energy?
2 answered
#9
Which law of thermodynamics states that heat flows from hot to cold objects and never spontaneously in the reverse direction?
2 answered
#10
Which law of thermodynamics states that the entropy of a closed system will never decrease over time?
2 answered
#11
Which energy conversion process occurs in photovoltaic solar panels?
2 answered
#12
What is the primary energy conversion process in a hydroelectric dam?
2 answered
#13
In which energy conversion process is chemical energy converted into electrical energy?
2 answered
#14
In which energy conversion process does tidal energy occur?
3 answered
#15
In which energy conversion process is kinetic energy converted into electrical energy?
2 answered