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Which of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor

Which of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Which of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor |o|0|0|6
Transcribed Image Text:Which of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor |o|0|0|6
The reason a LVDT can detect position of its core even when the core is not moving, is that, the central coil is moving. the two pickup coils on either side of the central coil are supplied by AC current. the central coil is supplied by DC current. the central coil is supplied by AC current.
Transcribed Image Text:The reason a LVDT can detect position of its core even when the core is not moving, is that, the central coil is moving. the two pickup coils on either side of the central coil are supplied by AC current. the central coil is supplied by DC current. the central coil is supplied by AC current.
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