Answer the following questions related to the three–core cable used in domestic…
PHYSICS · Multi-part · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
Answer the following questions related to the three–core cable used in domestic electric circuits.
(i) Define a live wire, a neutral wire and an earth wire.
(ii) State the standard colour insulation used for each of these three wires in India.
(iii) Which of the three wires is normally at a potential of about 220V with respect to the earth? Name it.