PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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A student made a circuit by using an electric cell, a switch, a torch bulb (fitted in the bulb holder) and copper connecting wires. When he turned on the switch, the torch bulb did not glow at all. The student checked the circuit and found that all the wire connections were tight.
  • What could be the possible reason for the torch bulb not glowing even when the circuit appears to be complete?
The possible reasons are
  • The cell could be .
  • It's possible that the bulb is .
  • The wire could be from the inside out.
  • The connection could be .