Observe the following circuits carefully. In which circuit will the bulb glow. Write ‘Yes’ or ‘No’ in the blank space provided along each of the circuit given in Fig. 14.6.




NO because coal is a poor conductor of electricity. It is instead an insulator……….



……YES, because iron is a good conductor of electricity. Iron is a metal and all metals are excellent conductor …………….



NO, because eraser is made up of rubber which is used as insulator ………………



YES, because steel is a good conductor of electricity…………………….


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