Podcast
Questions and Answers
Passive sensors require an external power source for their operation.
Passive sensors require an external power source for their operation.
False (B)
Analog sensors produce a binary output signal.
Analog sensors produce a binary output signal.
False (B)
Active sensors do not incorporate active electronic components such as amplifiers and IC.
Active sensors do not incorporate active electronic components such as amplifiers and IC.
False (B)
Digital sensors produce a continuous and proportional output signal.
Digital sensors produce a continuous and proportional output signal.
A thermistor changes its resistance when it is heated or cooled, making it an example of an active sensor.
A thermistor changes its resistance when it is heated or cooled, making it an example of an active sensor.
Eyes detect acoustic energy.
Eyes detect acoustic energy.
Passive sensors can incorporate active electronic components such as amplifiers and IC for their operation.
Passive sensors can incorporate active electronic components such as amplifiers and IC for their operation.
Human beings are equipped with 6 different types of sensors.
Human beings are equipped with 6 different types of sensors.
A photovoltaic cell produces electricity when it receives light, making it an example of an analog sensor.
A photovoltaic cell produces electricity when it receives light, making it an example of an analog sensor.
Physical sensors detect physical quantities using certain physical effects to convert the measured physical quantity.
Physical sensors detect physical quantities using certain physical effects to convert the measured physical quantity.
A sensing unit can consist of additional components such as filters, amplifiers, modulators, and other signal conditioners. True or False?
A sensing unit can consist of additional components such as filters, amplifiers, modulators, and other signal conditioners. True or False?
Transducers are devices used to transform one kind of energy to another. True or False?
Transducers are devices used to transform one kind of energy to another. True or False?
When a transducer converts an electrical signal into another form of energy, it is called a sensor. True or False?
When a transducer converts an electrical signal into another form of energy, it is called a sensor. True or False?
An actuating unit consists of an actuator, a power supply, and a coupling mechanism. True or False?
An actuating unit consists of an actuator, a power supply, and a coupling mechanism. True or False?
An instrument refers to a sensor together with some of its associated electronics. True or False?
An instrument refers to a sensor together with some of its associated electronics. True or False?
Measurement system does not require any transformation steps for the electric output signal. True or False?
Measurement system does not require any transformation steps for the electric output signal. True or False?
A sensor is a transducer that converts a measurable quantity to an electrical voltage or current. True or False?
A sensor is a transducer that converts a measurable quantity to an electrical voltage or current. True or False?
Actuators convert an electrical signal into another form of energy, such as sound, light, or mechanical movement. True or False?
Actuators convert an electrical signal into another form of energy, such as sound, light, or mechanical movement. True or False?
A measurement system typically requires several transformation steps before the electric output signal can be generated. True or False?
A measurement system typically requires several transformation steps before the electric output signal can be generated. True or False?
Passive sensors do not require an external power source for their operation. True or False?
Passive sensors do not require an external power source for their operation. True or False?
Active sensors incorporate active electronic components such as amplifiers and IC for their operation. True or False?
Active sensors incorporate active electronic components such as amplifiers and IC for their operation. True or False?
Eyes detect acoustic energy. True or False?
Eyes detect acoustic energy. True or False?
Passive sensors do not need any additional energy source and directly generate an electric signal in response to an external stimulus.
Passive sensors do not need any additional energy source and directly generate an electric signal in response to an external stimulus.
A thermistor changes its resistance when it is heated or cooled, making it an example of an active sensor.
A thermistor changes its resistance when it is heated or cooled, making it an example of an active sensor.
Digital sensors produce a binary output signal.
Digital sensors produce a binary output signal.
Physical sensors detect physical quantities using certain physical effects to convert the measured physical quantity.
Physical sensors detect physical quantities using certain physical effects to convert the measured physical quantity.
Passive sensors can incorporate active electronic components such as amplifiers and IC for their operation.
Passive sensors can incorporate active electronic components such as amplifiers and IC for their operation.
Active sensors require external power for their operation, which is called an excitation signal.
Active sensors require external power for their operation, which is called an excitation signal.
Analog sensors produce a binary output signal.
Analog sensors produce a binary output signal.
Eyes detect acoustic energy.
Eyes detect acoustic energy.
Measurement system does not require any transformation steps for the electric output signal.
Measurement system does not require any transformation steps for the electric output signal.
When a transducer converts an electrical signal into another form of energy, it is called a sensor.
When a transducer converts an electrical signal into another form of energy, it is called a sensor.
