1-Which of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor 2- 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.
1-Which of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor 2- 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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1-Which of the following sensors has a permanent magnet inside?
Hall effect sensor
thru-beam optical sensor
piezo-electric sensor
LVDT
capacitive proximity sensor
2- 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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