Betsy depends on her electric alarm clock every morning to get up in time for school. What energy transformation happens in Betsy's alarm clock to wake her up in the morning?
a
electrical energy is converted to thermal energy
b
sound energy is converted to electrical energy
c
electrical energy is converted to sound energy
d
chemical energy is converted to kinetic energy
c
electrical energy is converted to sound energy
When Betsy’s alarm clock goes off, it converts the electrical energy from the power outlet (or batteries, if it's not plugged into a wall socket) into sound energy that she hears as the alarm.