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12. Zubeda made an electric circuit using a cell holder shown in Fig. 14.4, 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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The following defects may be present in the circuits-

  • The rubber band used in the cell holder may not be tight enough to keep the cells in proper contact.
  • The two cells may not be properly connected. We must connect the negative terminal to the positive end of the other cell.
  • The bulb may be fused.
  • The circuit connection may be loose. etc

 

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manish painkra

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