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Compare the total copper cross sections in terms of current-carrying capacity for a single-phase and a three-phase 120 V system with effective load resistance of 15 Ω.

A. Single-phase 32 A; three-phase 16 A

B. Single-phase 16 A; three-phase 8 A

C. Single-phase 8 A; three-phase 4 A

D. Single-phase 16 A; three-phase 0 A

Answer: Option B


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Comments ( 1 )

  1. Eng_Ali HAMDAN
    Eng_Ali HAMDAN :
    4 years ago

    How the calculate the current in three phase

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In a Y-connected source feeding a ∆-connected load,

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