A householder wants to check whether the three–pin plug of an electric iron has been…
PHYSICS · Multi-part · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
A householder wants to check whether the three–pin plug of an electric iron has been wired correctly.
(i) State the function of (a) live wire, (b) neutral wire and (c) earth wire in a domestic circuit.
(ii) Write the standard colour code used in India for each of these three wires.
(iii) Draw a neat, labelled diagram of the interior of a three–pin plug top showing the positions of the live, neutral and earth connections.
(iv) Mention the numerical value of the potential difference maintained between the live and the neutral wires in Indian domestic supply.