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.

Answers (1)

The following defects may be presents 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.
  • Circuit connection may be loose. etc

 

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