PIR and Ambient

1. A sensor that adjust the brigthnessof the screens according to the environment

• PIR and Ambient

• Ambient and IIR

• Ambient

• PIR

2. It is the standard international unit for the illuminance of ambient light sensor.

• Inches

• meter

• lux

• Kilo

3. What is the typical performance of ambient light sensor in dim light?

• 50 lux

• 60 lux

• 70 lux

• 80 lux

4. What is the typical performance of mabient light sensor at noon?

• 20,000 lux

• 10, 000 lux

• 1000 lux

• 5,000 lux

5. A sensor that can detect motion or movement.

• PIR

• ambient

• Ultrasonic

• IIR

6. PIR sensor has 3 pins

• true

• false

7. Ambient light sensor can detect movement and light at the same time

• TRUE

• FALSE

8. PIR sensor detects movement only

• TRUE

• FALSE

9. PIR sensor can detect moving object when another device is connected to it such as the IIR.

• FALSE

• TRUE

10. PIR sensor sometimes called as PID

• FALSE

• TRUE