1.

The diagram in Fig. 9.28 shows three lamps and three switches 1, 2 and 3 connected with two cells. (a) Name the switch/ switches to be closed so as to light all the three lamps. (b) How are then the lamps connected : in series or in parallel ? Fig ; 9.28

Answer»

The diagram in Fig. 9.28 shows three lamps and three switches 1, 2 and 3 connected with two cells.

(a) Name the switch/ switches to be closed so as to light all the three lamps.

(b) How are then the lamps connected : in series or in parallel ?

Fig ; 9.28




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