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The diagram in figure 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 three lamps.

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

The diagram in figure shows three lamps and three switches 1, 2 and 3 connected with two cells. Name the switch/switches to be closed so as to light all three lamps. How are then the lamps connected in series or in parallel. Household Circuits, Concise Physics Solutions ICSE Class 10.

Household Circuits

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Answer

(a) In order to light all the three lamps switch 2 and 3 should be closed.

(b) The lamps are then connected in series.

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