The device needed for the security system is a buzzer, an output device that generates sound energy in response to specific conditions in a circuit.
The device Jeff's father is looking for is a buzzer. A buzzer is an output device that generates sound energy when triggered by certain conditions in a circuit, such as in a security system.
An example of a buzzer in a circuit is in a doorbell system, where a person presses a button, completing a circuit and activating the buzzer to produce sound.
Buzzers typically consume significant power when operational due to the energy required to produce sound, making them likely to consume a lot of energy when on.
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