Draw a circuit diagram to show two 4 V electric lamps can be lit brightly from two 2 V cells.

What happens to the other bulbs in a parallel circuit if one bulb blows off?

Which type of circuit, series of parallel, is preferred while connecting a large number of bulbs:

(a) for decorating a hotel building from outside?

(b) for lighting inside the rooms of the hotel?

Why is series arrangement not used for connecting domestic electrical appliances in a circuit?

Give three reasons why different electrical appliances in a domestic circuit are connected in parallel.