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Sensors and Sensing Circuits in Microcontroller Systems

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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?

It uses a wiper contact linked to a mechanical shaft to measure position Signup and view all the answers

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

Proportional relationship between wiper position and resistance value Signup and view all the answers

What type of movement does a potentiometer track?

Linear movement Signup and view all the answers

What is the function of a transducer?

It converts one form of energy into another Signup and view all the answers

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

Resistive Temperature Detector (RTD) Signup and view all the answers

What type of sensor is a potentiometer?

Position sensor Signup and view all the answers

What is the main function of an actuator?

Converts electrical signals into physical events Signup and view all the answers

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

Photovoltaic cells Signup and view all the answers

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

Not categorized in this way Signup and view all the answers