WorksheetsDigital Sensors Electrostatics
Total questions: 10
Worksheet time: 6mins
Which one of these is a use of LDR
Tubelight
Street lights
Fan
Sun
Capacitive touch in devices uses the pressure we apply for them to function
True
False
Digital sensors help to __________
Store charge and release it when required
Observe things clearer
Produce charge
Which sensor is used when parking cars to judge distance?
Distance
Proximity
Pressure
Movement
This sensor is used for burglar alarms
Temperature
Humidity
Movement/Motion
PH
Type of sensor used to detect both metallic and non-metallic objects
Capacitive sensors
Inductive sensors
Thermocouple sensors
None of the above
Which of the following DOES NOT use electrostatics to work?
Digital sensors
Electric Motor
Photocopier
Van de Graff Generator
What kind of charge does static electricity produce
Positive
Permanent charge
Negative
Temporary charge
DO YOU HAVE ANY DOUBTS?
y e s
n o
m a y b e
o k a y b y e.
