Saved Bookmarks
| 1. |
a) Draw a schematic labelled diagram of a domestic wiring circuit which includes (0,() a power meter (ii) one light point and (iv) a power plugb) Why is it necessary to connect an carth wire to electric appliances having metalc e |
|
Answer» (b) (i) It prevents damage to appliance due to overloading or short-circuiting. (ii) Earth wire is connected to a metallic body buried deep inside the earth. It is used assafetymeasure. It providesa low resistance conducting path for the current any leakage of current to a metallic body does not giveshocktouser. |
|