Q11 of 330 Page 48

Which is the better way to connect light and other electric appliances in domestic wiring: series circuits or parallel circuits? why?

When appliances are connected in a parallel arrangement, each of them can be put on and off independently. This is a feature that is essential in a house's wiring.


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9

Consider the circuits given below:


(a) In which circuit are the lamps dimmest?


(b) In which circuit or circuits are the maps or equal brightness to the lamps in circuit (i)?


(c) Which circuit gives out the maximum light?

 10

If you were going to connect two light bulbs to one battery, would you use a series or a parallel arrangement? Why? Which arrangement takes more current from the battery?

 11

Christmas tree lamps are usually wired in series. What happens if one lamp breaks?

 11

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?