Sensors MCQ

A sensor is a device that takes input from the physical environment. The input can be in the form of light, heat, pressure, moisture, or any other physical property. Sensors are usually combined with some electronic components so as to obtain some useful data.

Given below are some MCQ on Sensors.

Sensors MCQ

The more correct a senor can measure, the more ________ it is:

  1. Accurate
  2. Precise
  3. Scaled
  4. Extent

Correct answer: 1. Accurate


The smallest change which a sensor can detect is termed:

  1. Accuracy
  2. Precision
  3. Resolution
  4. Scale

Correct answer: 3. Resolution


Touch screen of mobile phone uses:

  1. AFR Seneor
  2. Pellistor
  3. Viscometer
  4. Tactile sensors

Correct answer: 4. Tactile sensors


The thermistor whose resistance increase by increasing temperature:

  1. NTC Thermistor
  2. PTC Thermistor
  3. None of these
  4. Any of these

Correct answer: 2. PTC Thermistor


Sound to electrical energy transducer:

  1. Microphone
  2. AFR
  3. Tactile sensor
  4. Pellistor

Correct answer: 1. Microphone

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