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

Aluminium

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Silver

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Nichrome

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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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Similar questions

Which one of Cu, Fe and Ag offers great resistance to the flow of electric current?

Substances which have free electrons and offers high resistance are called as insulators.

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