In fibre - optic level sensors, the amount of light loss depends on – McqOptions

MCQOPTIONS

1.	In fibre - optic level sensors, the amount of light loss depends on
A.	The proportion of cable that is submerged in the liquid
B.	Amount of light which is reflected back
C.	The proportion of cable that is not in the liquid
D.	Amount of light which is not reflected back
Answer» B. Amount of light which is reflected back

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