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Subjects
Science CBSE
Class 8
Chemical effects of electric current
Textbook questions
24.
NCERT Exemplar XV
Exercise condition:
5
m.
Observe the following circuit given in the figure.
Current does not flow in the circuit, if there is a gap between the two wires. Does it indicate that air is a poor conductor of electricity? Does air never conduct electricity? Explain.
i.
No, the is not poor conductor of electricity.
No, the is not good conductor of electricity.
Yes, the air is a poor conductor of electricity.
Yes, the air is a good conductor of electricity.
ii.
Yes, air only conducts electricity when there is a high voltage or moisture in the air
No, air only conducts electricity when there is a high voltage or moisture in the air
No, air only conducts electricity when there is a low voltage or moisture in the air
Yes, air only conducts electricity when there is a low voltage or moisture in the air
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