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Assertion (A): Potentiometers can not be used as error detectors in position control systems.
Reason (R): The resolution of a potentiometer places an upper limit on its accuracy
- a)Both A and R are correct and R is correct explanation of A
- b)Both A and R are correct but R is not correct explanation of A
- c)A is correct but R is wrong
- d)R is correct but A is wrong
Correct answer is option 'D'. Can you explain this answer?
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Assertion (A): Potentiometers can not be used as error detectors in p...
Potentiometers are used as error detectors.
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Assertion (A): Potentiometers can not be used as error detectors in p...
Assertion (A): Potentiometers cannot be used as error detectors in position control systems.
Reason (R): The resolution of a potentiometer places an upper limit on its accuracy.
The correct answer is option 'D' - R is correct but A is wrong.
Explanation:
Potentiometers are widely used in position control systems as feedback devices to measure position. However, they are not commonly used as error detectors. Let's understand the assertion and reason individually to see why option 'D' is the correct answer.
Assertion (A): Potentiometers cannot be used as error detectors in position control systems.
Potentiometers, also known as pots, are variable resistors that change resistance based on the position of a movable contact. They are commonly used in position control systems to provide feedback on the current position of a controlled object. However, they are not typically used as error detectors in position control systems. Error detectors are devices or algorithms that compare the desired position with the actual position and generate an error signal. Potentiometers alone cannot perform this function efficiently.
Reason (R): The resolution of a potentiometer places an upper limit on its accuracy.
The resolution of a potentiometer refers to the smallest increment of position that it can detect. It is determined by the physical characteristics of the potentiometer, such as the resistance element and the wiper contact. The resolution of a potentiometer places a limit on its accuracy because it determines the smallest change in position that can be detected. If the resolution is not fine enough, the potentiometer may not be able to accurately measure small changes in position, leading to errors in the feedback signal.
Explanation of the correct answer:
The reason (R) is correct because the resolution of a potentiometer does place an upper limit on its accuracy. However, the assertion (A) is incorrect because potentiometers can be used as position feedback devices in control systems. They may not be ideal for error detection due to their limited resolution, but they are still commonly used for position sensing. Therefore, the correct answer is option 'D' - R is correct but A is wrong.
Reason (R): The resolution of a potentiometer places an upper limit on its accuracy.
The correct answer is option 'D' - R is correct but A is wrong.
Explanation:
Potentiometers are widely used in position control systems as feedback devices to measure position. However, they are not commonly used as error detectors. Let's understand the assertion and reason individually to see why option 'D' is the correct answer.
Assertion (A): Potentiometers cannot be used as error detectors in position control systems.
Potentiometers, also known as pots, are variable resistors that change resistance based on the position of a movable contact. They are commonly used in position control systems to provide feedback on the current position of a controlled object. However, they are not typically used as error detectors in position control systems. Error detectors are devices or algorithms that compare the desired position with the actual position and generate an error signal. Potentiometers alone cannot perform this function efficiently.
Reason (R): The resolution of a potentiometer places an upper limit on its accuracy.
The resolution of a potentiometer refers to the smallest increment of position that it can detect. It is determined by the physical characteristics of the potentiometer, such as the resistance element and the wiper contact. The resolution of a potentiometer places a limit on its accuracy because it determines the smallest change in position that can be detected. If the resolution is not fine enough, the potentiometer may not be able to accurately measure small changes in position, leading to errors in the feedback signal.
Explanation of the correct answer:
The reason (R) is correct because the resolution of a potentiometer does place an upper limit on its accuracy. However, the assertion (A) is incorrect because potentiometers can be used as position feedback devices in control systems. They may not be ideal for error detection due to their limited resolution, but they are still commonly used for position sensing. Therefore, the correct answer is option 'D' - R is correct but A is wrong.
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Assertion (A): Potentiometers can not be used as error detectors in position control systems.Reason (R): The resolution of a potentiometer places an upper limit on its accuracya)Both A and R are correct and R is correct explanation of Ab)Both A and R are correct but R is not correct explanation of Ac)A is correct but R is wrongd)R is correct but A is wrongCorrect answer is option 'D'. Can you explain this answer?
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Assertion (A): Potentiometers can not be used as error detectors in position control systems.Reason (R): The resolution of a potentiometer places an upper limit on its accuracya)Both A and R are correct and R is correct explanation of Ab)Both A and R are correct but R is not correct explanation of Ac)A is correct but R is wrongd)R is correct but A is wrongCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Assertion (A): Potentiometers can not be used as error detectors in position control systems.Reason (R): The resolution of a potentiometer places an upper limit on its accuracya)Both A and R are correct and R is correct explanation of Ab)Both A and R are correct but R is not correct explanation of Ac)A is correct but R is wrongd)R is correct but A is wrongCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Assertion (A): Potentiometers can not be used as error detectors in position control systems.Reason (R): The resolution of a potentiometer places an upper limit on its accuracya)Both A and R are correct and R is correct explanation of Ab)Both A and R are correct but R is not correct explanation of Ac)A is correct but R is wrongd)R is correct but A is wrongCorrect answer is option 'D'. Can you explain this answer?.
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