Single-mode step-index cable has a core diameter in the range of
∙ A. 100 to 1000 micrometer  
∙ B. 50 to 100 micrometer
∙ C. 2 to 15 micrometer
∙ D. 5 to 20 micrometer

1 Answer

Answer :

. 2 to 15 micrometer

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