in a homes central heating system when the room temperature measured by the thermostat reaches a set value the thermostat sends a message to the heater and the heater switches off These action are an examples of a

feedback system?

an input I think

B. it send feedback because when the thermostat faces the heater it sends feedback and it switchs!

Correct Answer-B!!!

Definitely feed back

B. Feedback

.😁

it sends feedback to the switch

The actions described in the scenario are examples of a feedback loop, specifically a negative feedback loop.

To understand this concept, we first need to define what a feedback loop is. A feedback loop is a process in which the output of a system is used as input to that same system, influencing the behavior and future output of the system.

In the case of a home's central heating system, the feedback loop begins with the thermostat measuring the room temperature. The thermostat compares the measured temperature to a pre-set value called the setpoint or desired temperature. If the measured temperature is lower than the setpoint, the thermostat sends a message to the heater to switch on and start generating heat. As the heater continues to operate, it gradually raises the room temperature.

Once the measured temperature reaches the setpoint, the thermostat recognizes this and sends a message to the heater to switch off. This action stops the heater from generating more heat, maintaining the desired temperature. The system then enters a temporary state of equilibrium and waits for any changes in temperature that may require the system's response again.

This process is a negative feedback loop because it aims to reduce the difference between the current temperature and the desired temperature. When the system detects that the measured temperature exceeds the setpoint, it takes action to counteract this deviation and bring the temperature back to the desired level. The thermostat and heater work together to continuously regulate the temperature and maintain a stable environment.

Overall, the feedback loop in a home's central heating system helps to ensure that the desired temperature is maintained, thereby contributing to comfort and energy efficiency.