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13. Sensor based Activity
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1. Which of the following electronic components does not have polarities?
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1 point
LEDs
Diodes
Dry cells
Push buttons
2. Identify the sensor.
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1 point
Gas detector
UV detector
Sound detector
Proximity sensor
3. A hygrometer is a _______ sensor.
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Humidity
Water content
Wetness
Air pressure
Clear selection
4. Identify the sensor
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1 point
Sound Sensor
Gas Sensor
Ultrasonic Sensor
Proximity sensor
5. Proximity sensor is a sensor which detect object without any physical contact
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True
False
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