An electric bulb is connected to a cell through a switch as shown in figure. When the switch is brought to the ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? [2 marks]

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Solution

When the switch is brought to the ‘ON’ position, the bulb does not glow. There could be the following reasons for it:
(i) Loose connections between terminals of cell, bulb or switch. [0.5 marks]
(ii) Connecting wires may be broken. [0.5 marks]
(iii) The cell may be a used one. [0.5 marks]
(iv) The bulb may be fused. [0.5 marks]

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Fig. \( 12.7 \)

Question 12

An electric bulb is connected to a cell through a switch as shown in Fig. When the switch is brought to ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them.

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