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- 1. Multiple Choice
Which one of these is a use of LDR
Tubelight
Street lights
Fan
Sun
- 2. Multiple Choice
Capacitive touch in devices uses the pressure we apply for them to function
True
False
- 3. Multiple Choice
Digital sensors help to __________
Store charge and release it when required
Observe things clearer
Produce charge
- 4. Multiple Choice
Which sensor is used when parking cars to judge distance?
Distance
Proximity
Pressure
Movement
- 5. Multiple Choice
This sensor is used for burglar alarms
Temperature
Humidity
Movement/Motion
PH
- 6. Multiple Choice
Type of sensor used to detect both metallic and non-metallic objects
Capacitive sensors
Inductive sensors
Thermocouple sensors
None of the above
- 7. Multiple ChoiceTwo like chargesneutralize each other.repel each other.must be neutrons.attract each other.
- 8. Multiple Choice
Which of the following DOES NOT use electrostatics to work?
Digital sensors
Electric Motor
Photocopier
Van de Graff Generator
- 9. Multiple Choice
What kind of charge does static electricity produce
Positive
Permanent charge
Negative
Temporary charge
- 10. Multiple Choice
DO YOU HAVE ANY DOUBTS?
y e s
n o
m a y b e
o k a y b y e.
- Answer choicesTagsAnswer choicesTags