Physics
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.

Household Circuits
33 Likes
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.
Answered By
19 Likes
Related Questions
Give two characteristics of high tension wire.
Which of the cables, one rated 5 A and the other rated 15 A will be of thicker wire? Give a reason for your answer.
Describe with the aid of a diagram some form of a fuse, which is used in the electric lighting circuit of a house. Give two reasons why a fuse must not be replaced by an ordinary copper wire.
(a) What is the purpose of a switch in a circuit?
(b) Why is the switch put in the live wire?
(c) What precaution do you take while handling a switch?