Explain why the bulb would not glow in the arrangement shown in Fig. 12.13.



The bulb would not glow in the given arrangement because: 

  • The end of the screw driver is covered with plastic , which is a poor conductor of electricity.
  • In the given circuit, one end of the bulb is connected with the plastic end of the screw driver. Plastic being a poor conductor of electricity would not allow the electric current to pass through it. 
  • Due to this, the bulb would not glow in the given arrangement.
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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo