WorksheetsSensors and Transducers
Total questions: 15
Worksheet time: 8mins
Sensor is a type of transducer
True
False
A device that transforms one form of energy to another:
Transducer
Transistor
Transformer
Transmitter
Automatic doors would use a:
Motion Sensor
Light Sensor
Temperature Sensor
Moisture Sensors
What type of sensor would be used in this kettle?
Light Sensor
Temperature Sensor
Infra-red sensor
Pressure Sensor
LVDT has
one primary coil and two secondary coils
one primary coil and one secondary coil
Resistance offered by a metal is independent of the length and the area of the conductor
True
False
Strain is defined as ________
Change in height per unit height
Change in weight per unit weight
Change in length per unit length
Change in diameter per unit diameter
Capacitive transducer is used for?
Static measurement
Dynamic measurement
Transient measurement
Both static and dynamic
For a material capacitance increases with _____________
Decrease in area of plates, all other factors constant
Increase in distance between plates, all other factors constant
Decrease in distance between plates, all other factors constant
None of the mentioned
LVDT works on the principle of ________
variable resistance
variable inductance
variable capacitance
variable pressure
The output of a transducer must ___________
be different at different environment conditions
be same at all environment conditions
be same at some environment conditions
be zero always
Potentiometer transducers are used for the measurement of
Temperature
Displacement
Humidity
Velocity
resistivity depends on
length of conductor
cross sectional area of conductor
material of conductor
temperature
7. Thermocouple generate output voltage according to ____________
Circuit parameters
Humidity
Temperature
Voltage
Where might a light sensor be used?
Car Lights
A Green House
Street Lights
Security System
