NCERT Solutions for Class 7 Science Chapter 14
Important NCERT Questions
7th Chapter 14 Electric Current and its Effects
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 12
Zubeda made an electric circuit using a cell holder, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.
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Possible reasons are as follows:
• The bulb may be fused or defective.
• Cells are not connected properly.
• There may be loose connections.
• The switch is not functioning well.
• The cells are dried up i.e. the power of the cell has been exhausted.
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