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You are here: Home > CompTIA Exam Questions > PD1-001 > which of the following activation methods?

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which of the following activation methods?

seenagapeMarch 31, 2014

A photointerrupter employs which of the following activation methods?

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A.
Mechanical device

B.
Reflection of light

C.
Electrical pulse

D.
Magnetic attraction

In PD1-001Exam PD1-001

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