Sensors and Transducers

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Across
  1. 5. A property of thermistors where resistance decreases as temperature increases.
  2. 7. A device that measures force per unit area and converts it into electrical signal.
  3. 8. A sensor that detects the presence of nearby objects without physical contact.
  4. 10. The process occurring in solar cells.
  5. 13. A temperature-sensitive resistor whose resistance changes significantly with temperature.
  6. 14. The principle behind solar cell operation.
  7. 15. The movable core used in LVDT for sensing displacement.
  8. 16. A device that works on change in inductance caused by movement of a magnetic core.
  9. 23. EFFECT TRANSDUCER A sensor that produces voltage when a magnetic field is applied perpendicular to current.
  10. 24. A linear displacement sensor that produces output voltage proportional to core movement.
  11. 25. The operating condition for photodiodes.
  12. 29. A device used to transfer electrical signals using light while providing isolation.
  13. 30. A device that converts sunlight directly into electrical energy.
  14. 31. The important feature of proximity sensors.
  15. 35. The principle used in inductive sensors where magnetic resistance changes with position.
  16. 36. A device that converts light energy into electrical energy.
  17. 37. The quantity sensed by Hall effect devices.
  18. 38. The main application of thermistors and thermocouples.
  19. 39. A sensor that detects infrared radiation typically used for obstacle detection.
  20. 40. The physical quantity detected by LDRs and photodevices.
  21. 41. The type of electromagnetic wave used in IR sensors.
  22. 42. A light-dependent resistor whose resistance decreases with increasing light intensity.
  23. 43. The principle used in pressure sensors with strain gauges.
Down
  1. 1. A light-sensitive transistor that provides amplified current output.
  2. 2. A sensor that generates voltage when mechanical stress is applied to certain crystals.
  3. 3. The output voltage produced in LVDT windings.
  4. 4. A semiconductor device that generates current when exposed to light under reverse bias.
  5. 6. The key advantage of phototransistors over photodiodes.
  6. 9. The parameter that changes in inductive transducers.
  7. 11. The key advantage of optocouplers in circuits.
  8. 12. The reason capacitance varies in capacitive transducers.
  9. 17. The voltage generated at the junction of two metals in a thermocouple.
  10. 18. The key advantage of LVDT output with respect to displacement.
  11. 19. The physical cause of voltage generation in piezoelectric materials.
  12. 20. The main function of proximity and IR sensors.
  13. 21. A sensor that converts changes in capacitance due to displacement, pressure, or dielectric variation into an electrical signal.
  14. 22. A temperature sensor that generates voltage due to junction of two dissimilar metals.
  15. 26. The main application of Hall effect sensors.
  16. 27. The input quantity required for piezoelectric transducers.
  17. 28. The working principle of optocouplers.
  18. 32. The increase in electrical conductivity due to incident light.
  19. 33. The phenomenon responsible for voltage generation in thermocouples.
  20. 34. A commonly used element in pressure sensors to measure deformation.