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Earn 100

What is pure water in relation to electricity?

Important Questions on Electric Current

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Science>Physics>Electric Current>Electric Conductors and Insulators

What is a conductor of electricity? Give two examples.

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Science>Physics>Electric Current>Electric Conductors and Insulators
What are conductors? Give two examples.
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Science>Physics>Electric Current>Electric Conductors and Insulators
Why are metals good conductors of electricity whereas glass is a bad conductor of electricity? Give reason.
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Science>Physics>Electric Current>Electric Conductors and Insulators
One of the following is an insulator.
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Science>Physics>Electric Current>Electric Conductors and Insulators
Name two conductors and two insulators.
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Science>Physics>Electric Current>Electric Conductors and Insulators

The coloured plastic covering on an electric wire makes the electric wire:

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Science>Physics>Electric Current>Electric Conductors and Insulators
Electric current can flow through:
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Science>Physics>Electric Current>Electric Conductors and Insulators

Give reason:

Wires are made of copper or aluminium, though silver is a better conductor of electricity.

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Science>Physics>Electric Current>Electric Conductors and Insulators

Which of these is an insulator?

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Science>Physics>Electric Current>Electric Conductors and Insulators
Among non-metals, _____ is a good conductor of electricity.
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Science>Physics>Electric Current>Electric Conductors and Insulators
Which among the following materials is not a conductor of electricity?
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Science>Physics>Electric Current>Electric Conductors and Insulators
Pure water is a bad conductor of electricity. 
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Science>Physics>Electric Current>Electric Conductors and Insulators

 Name any five appliances used in our everyday life which work with electricity. 

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Science>Physics>Electric Current>Electric Conductors and Insulators
Which of the following is an insulator?
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Science>Physics>Electric Current>Electric Conductors and Insulators
All metals are good conductors of electricity.
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Science>Physics>Electric Current>Electric Conductors and Insulators
Give an example of insulator.
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Science>Physics>Electric Current>Electric Conductors and Insulators
Name an insulator of electricity.
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Science>Physics>Electric Current>Electric Conductors and Insulators

What should the electric wire be made of and why?

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Science>Physics>Electric Current>Electric Conductors and Insulators
An electrician should use rubber gloves while replacing an electric fuse. Which of the following statements are correct in this regard?
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Science>Physics>Electric Current>Electric Conductors and Insulators
Name any four insulators.