Q:

In an Australian domestic AC electrical circuit, what is the potential difference (voltage) in the three wires?

belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:18| Question number:2

waelhammad

Save to bookmark

|

2022-10-21

|

87

0

In an Australian domestic AC electrical circuit, what is the potential difference (voltage) in the three wires?

active wire oscillates between +240 V and −240 V, while neutral and earth are both at 0 V
neutral wire at –240 V, active at +240 V, earth at 0 V.
active wire at +240 V, while neutral and earth are both at 0 V.
neutral wire and active wire both at +240 V, earth at −240 V.

Medicine, textbook solutions, MCQ Questions, Medicine textbook-solutions, Medicine MCQ-questions,

login and add your own answer to this question

All Answers

waelhammad

2022-10-21

need an explanation for this answer? contact us directly to get an explanation for this answer

A: In a domestic supply, the potential of the active wire oscillates (alternates) from about +270 V through 0 V to -270 V (the rms values are +/−240 V), while the neutral wire is at 0 V. The earth wire is for safety purposes, kept at 0 V to provide a low resistance path to the ground in the case of a fault.

need an explanation for this answer? contact us directly to get an explanation for this answer

total answers (1)