Select the correct answer.
Jeff's father is installing a do-it-yourself security system at his house. He needs to get
sound energy. Which device is Jeff's father looking for?
OA
switch
OB. motor
OC. buzzer
D. bulb
OE battery
Jeff's father is installing a do-it-yourself security system at his house. He needs to get
sound energy. Which device is Jeff's father looking for?
OA
switch
OB. motor
OC. buzzer
D. bulb
OE battery