What is the pole fuse? Write down it's current rating.

State the function of each of the following in a house circuiting —

(a) kWh meter, (b) main fuse, and (c) main switch

Two sets A and B each of four bulbs are glowing in two separate rooms. When one of the bulbs in set A is fused, the other three bulbs also cease to glow. But in set B, when one bulb fuses, the other bulbs continue to glow.

(i) Explain the difference in the two sets,

(ii) Which set of arrangement is preferred in housing circuit and why? [Hint : In set A, the bulbs are in series; while in set B,the bulbs are in parallel ].

Explain with the aid of a simple diagram, the transmission of electric power from the generating station to your house.