which of the following can be used as position sensor?... a. RFM3200.. b. potentiometer.. c. DHT11... d. PS2591
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Potentiometer
Explanation:
The correct option is b. Potentiometer.
The Potentiometer can be used as a position sensor.
- The potentiometer is the most inexpensive and easy-to-use device as a position sensor.
- A potentiometer is a type of variable resistor that can be manually adjusted and it has 3 terminals. It controls the flow of electric current.
- RFM3200 can be used as temperature sensor.
- DHT11 can be used as temperature and humidity sensor.
- PS2591 is a sediment core.
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