Question

(i) Write one advantage of connecting electrical appliances in parallel combination. 
(ii) What characteristics should a fuse wire have ?
(iii) Which wire in a power circuit is connected to the metallic body of the appliance ?

Answer 1

(i) Advantage of connecting electrical appliances in parallel combination :
If any appliances gets faulty, rest of the circuit gets unaffected by it and no discontinued supply.
(ii) Characteristics of a fuse wire
1. should easily melt when current exceed safety value.
2. should be good conductor.
(iii) Earth wire