(a) Which is the better way to connect lights and other electrical appliances in domestic wiring: series circuits or parallel circuits? Why?
(b) Christmas tree lamps are usually wired in series. What happens if one lamp breaks?
(c) An electrician has wired a house in such a way that if a lamp gets fused in one room of the house, all the lamps in other rooms of the house stop working. What is the defect in the wiring?
(d) Draw a circuit diagram showing two electric lamps connected in parallel together with a cell and a switch that works both lamps. Mark an A on your diagram to show where an ammeter should be placed to measure the current.

Answer

(a) Parallel circuit (b) All other lamps stop glowing (c) All the lamps have been connected in series
(d) `(##NCERT_PHY_X_C01_E01_194_A01##)`