Draw a labelled diagram with the necessary switch, regulator, etc. to connect a bulb and a fan with the mains. In what arrangement are they connected to the mains : series or parallel?
Fig. 9.29 below shows two bulbs with switches and fuse connected to the mains through a three pin socket by means of a three wires cable.
Fig. 9.29
(a) Label each component - bulb, switch, fuse and socket.
(b) Name and state the colour of insulation of each wire 1, 2 and 3.
(c) How are the two bulbs joined : in series or in parallel ?
Question 10
You are provided with a bulb, a cell, a switch and some connecting wires. Draw a diagram to show the connections between them to make the bulb glow.