22. Music comes out of the radio when you plug it in the electrical outlet. What energy transformation is
happening?
A. electrical energy to sound energy
B. sound energy to electrical energy
C. sound energy to electrical energy to sound energy
D. electrical energy to sound energy to electrical energy
23.When you are watching television, what transformation of energy is happening?
A. electrical energy to sound energy to heat energy
B. chemical energy to Sound energy to heat energy
C.sound energy to heat energy to light energy
D.None of these
24.Electrical energy can be changed to heat energy to do work. Which of the appliances below shows this
energy transformation?
A. television
B. electric stove
C. radio cassette
D. washing machine
25.When energy is transformed from one form to another it is called
A. transformation of energy
C.conservation of energy
B. consumed energy
D. wasted energy​​