A student is asked to study a three-pin plug that is to be connected to an electric…
PHYSICS · Multi-part · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current
Problem
A student is asked to study a three-pin plug that is to be connected to an electric kettle.
(i) Draw a neat labelled diagram of the three-pin plug showing the live, neutral and earth connections.
(ii) The earth pin is made longer and thicker than the other two pins. Explain two reasons for this design choice.
(iii) Describe how the colour coding of the flexible cord helps the user to connect the kettle correctly and safely.