Sensors and Sensing Circuits in Microcontroller Systems
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Questions and Answers

What is a position sensor used for?

  • Measuring the displacement of an object in a straight line
  • Measuring the speed of an object's movement
  • Measuring the distance between a reference point and the target's current location (correct)
  • Measuring the distance between two reference points

Which type of sensor detects the movement of an object in a straight line?

  • Potentiometer sensor
  • Rotational sensor
  • Displacement sensor
  • Linear sensor (correct)

What is the potentiometer commonly used for?

  • Measuring linear movement (correct)
  • Measuring speed of an object
  • Measuring angular movement
  • Measuring two reference points

How does a potentiometer work?

<p>It uses a wiper contact linked to a mechanical shaft to measure position (B)</p> Signup and view all the answers

What is the output signal of a potentiometer's movement?

<p>Proportional relationship between wiper position and resistance value (B)</p> Signup and view all the answers

What type of movement does a potentiometer track?

<p>Linear movement (D)</p> Signup and view all the answers

What is the function of a transducer?

<p>It converts one form of energy into another (B)</p> Signup and view all the answers

Which sensor is used for measuring temperature based on its resistance?

<p>Resistive Temperature Detector (RTD) (B)</p> Signup and view all the answers

What type of sensor is a potentiometer?

<p>Position sensor (B)</p> Signup and view all the answers

What is the main function of an actuator?

<p>Converts electrical signals into physical events (C)</p> Signup and view all the answers

Which sensor uses the physical principle of converting light into electrical signals?

<p>Photovoltaic cells (D)</p> Signup and view all the answers

How are sensors categorized based on the nature of the quantity that is measured?

<p>Not categorized in this way (B)</p> Signup and view all the answers

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