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Which device generates output signal when metal objects are either inside or entering into sensing area.

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in IOT by (70.0k points)
Which device generates output signal when metal objects are either inside or entering into sensing area.

(a) Capacitive Proximity

(b) Magnetic Proximity

(c) Inductive proximity

(d) Parallel Proximity

This question was addressed to me by my school principal while I was bunking the class.

The question is from Proximity Sensor topic in chapter Sensors of IOT

1 Answer

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Best answer
Right choice is (a) Capacitive Proximity

To explain: Device which generates output signal electrical signal when metal objects are either inside or entering into its sensing area from an direction.

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