Question

What is a sensor? State uses of sensors.

Answer 1

Sensor

1. A sensor is a device that monitors and responds to physical input. For instance, the presence of visible light, infrared transmission (IR), and ultraviolet (UV) radiation are detected using a photosensor.
2. It detects or analyzes a physical attribute as well as records, displays, or responds to it in some particular way.

Types of sensor

1. Temperature sensor
2. Radio sensor
3. Humidity sensor
4. Magnetic switch sensor
5. Chemical sensor
6. Environment sensor
7. Proximity sensor
8. Optimal sensor

An illustrative diagram of a sensor is given below.

Uses of sensor

1. Doctors utilize the signals generated by sensors in medical equipment, surgical tools, and gadgets for diagnosis, and, treatment.
2. It is used to measure voltage, capacitance, inductance, and ohmic resistance.
3. Sensors are used to measure gauge distance, temperature, detect smoke, regulate pressure, etc.