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ICSE Class 10 Physics Question 7 of 19

Household Circuits — Question 12

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Question 12

Figure below shows two bulbs with switches and fuse connected to the mains through a three pin socket by means of a three wires cable.

Figure below shows two bulbs with switches and fuse connected to the mains through a three pin socket by means of a three wires cable. Label each component bulb, switch, fuse and socket. Name and state the colour of insulation of each wire 1, 2 and 3. How are the two bulbs joined in series or in parallel. Household Circuits, Concise Physics Solutions ICSE Class 10.

(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.

Answer

(a) Labelled diagram is shown below:

Figure below shows two bulbs with switches and fuse connected to the mains through a three pin socket by means of a three wires cable. Label each component bulb, switch, fuse and socket. Name and state the colour of insulation of each wire 1, 2 and 3. How are the two bulbs joined in series or in parallel. Household Circuits, Concise Physics Solutions ICSE Class 10.

(b) The name and colour of wires are as follows:

  • 1 → neutral, blue colour.
  • 2 → earth, green colour.
  • 3 → live, brown colour.

(c) The two bulbs are joined in parallel.