SENSORS (IGCSE)

Front

In an automated system, what type of device is a sensor?

Back

Input device

Front

How does a temperature sensor work?

Back

It produces an output voltage which is proportional to the level of heat it experiences.

Front

Analogue in relation to sensors

Back

The output varies smoothly and continuously over time

Front

Ambient

Back

relating to the immediate surroundings of something

Front

What is the name for a device that is used to measure the level of a physical property and provide an electrical output?

Back

Sensor

Front

Where might a motion sensor be used?

Back

A Security system

Front

Where might a proximity sensor be used?

Back

A Car

Front

Where might a Humidity sensor be used?

Back

A Green House

Front

Where might a Moisture sensor be used?

Back

A Mobile Phone

Front

Which sensor detects changes in UV?

Back

Light Sensor