Proximity switches are solid-state devices that can use ___ or ___ to sense the presence of a material, either its position or fluid level

Proximity switches are solid-state devices that can use _____________, _______________, or _______________ to sense the presence of a material, either its position or fluid level.

A) induction, capacitance, or magnetism
B) capacitance, induction or magnetism
C) magnetism, capacitance or induction
D) none of the answers

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Answer:A

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