Podcast
Questions and Answers
What does a photoconductive transducer convert to change in resistance of semiconductor material?
What does a photoconductive transducer convert to change in resistance of semiconductor material?
- Current
- Voltage
- Light (correct)
- Temperature
What do transducers convert?
What do transducers convert?
- Non-electrical quantity to electrical quantity (correct)
- Light to sound
- Mechanical energy to electrical energy
- Electrical energy to mechanical energy
What type of transducer converts electrical quantity to a non-electrical quantity?
What type of transducer converts electrical quantity to a non-electrical quantity?
- Photoelectric transducer
- Resistive transducer (correct)
- Inductive transducer
- Capacitive transducer
What is the resistive element provided with in a potentiometer?
What is the resistive element provided with in a potentiometer?
What does a strain gauge convert mechanical elongation and compression into?
What does a strain gauge convert mechanical elongation and compression into?
What formula is used to express the resistance of a metal conductor?
What formula is used to express the resistance of a metal conductor?
What type of external power source is used for transducers that are not self-generating?
What type of external power source is used for transducers that are not self-generating?
What type of devices convert the physical quantity to be measured into mechanical signals in some transducers?
What type of devices convert the physical quantity to be measured into mechanical signals in some transducers?
In capacitive transduction transducers, the measurand is converted into a change in which parameter?
In capacitive transduction transducers, the measurand is converted into a change in which parameter?
What is the purpose of the dielectric in a typical capacitor used in capacitive transduction?
What is the purpose of the dielectric in a typical capacitor used in capacitive transduction?
What are electrical devices called that convert mechanical signals into corresponding electrical signals?
What are electrical devices called that convert mechanical signals into corresponding electrical signals?
What do transducers produce as output signals in response to the quantity to be measured?
What do transducers produce as output signals in response to the quantity to be measured?
What type of strain gauge consists of a wire stretched between two points in an insulating medium?
What type of strain gauge consists of a wire stretched between two points in an insulating medium?
Which material is commonly used for the wire in Unbonded strain gauges?
Which material is commonly used for the wire in Unbonded strain gauges?
What is the primary function of Wire covering with thin material in Bonded strain gauges?
What is the primary function of Wire covering with thin material in Bonded strain gauges?
Which type of strain gauge is used when a high gauge factor is desired?
Which type of strain gauge is used when a high gauge factor is desired?
What is the main characteristic of Thermistors used as strain gauges?
What is the main characteristic of Thermistors used as strain gauges?
In a Thermocouple, what is the purpose of joining a pair of dissimilar metals at one end?
In a Thermocouple, what is the purpose of joining a pair of dissimilar metals at one end?
What is the main purpose of an inductive transducer?
What is the main purpose of an inductive transducer?
Which type of transducer uses the basic generator principle to induce a voltage?
Which type of transducer uses the basic generator principle to induce a voltage?
What type of material is typically used in resistance thermometers for their wires?
What type of material is typically used in resistance thermometers for their wires?
In what type of environment would you use a probe type sensor?
In what type of environment would you use a probe type sensor?
What is the main function of a sensor system?
What is the main function of a sensor system?
What principle do variable-inductance transducers work on?
What principle do variable-inductance transducers work on?
What is the relationship between the output voltage V0 and the input voltage Vs in a potentiometer?
What is the relationship between the output voltage V0 and the input voltage Vs in a potentiometer?
In a strain gauge element, what does the fractional change in resistance (ΔR/R) depend on?
In a strain gauge element, what does the fractional change in resistance (ΔR/R) depend on?
How is the load voltage VL related to the output voltage V0 in the presence of a load resistance RL in a system?
How is the load voltage VL related to the output voltage V0 in the presence of a load resistance RL in a system?
What is the function of a capacitive displacement sensor in terms of resolution and accuracy?
What is the function of a capacitive displacement sensor in terms of resolution and accuracy?
How is strain defined in relation to a flexible element with electrical resistance strain gauges?
How is strain defined in relation to a flexible element with electrical resistance strain gauges?
What causes a resistance change in electrical resistance strain gauges mounted on a flexible element?
What causes a resistance change in electrical resistance strain gauges mounted on a flexible element?
