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Question

Which of the following substances offers high resistance to flow of electric charges?

A
Aluminium
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B
Silver
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C
Nichrome
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D
Copper
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Solution

The correct option is C Nichrome
Nichrome is an alloy of nickel and chromium. It has a high resistance.

The reason why nichrome wire has a high resistance is because it is an alloy, which is made up of different materials each of which have different levels of resistance.

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