Question : Which of the following has the highest value of resistivity?
Option 1: Silver
Option 2: Nichrome
Option 3: Chromium
Option 4: Iron
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Correct Answer: Nichrome
Solution : The correct option is Nichrome .
Resistivity is sometimes referred to as a material's specific resistance. It can be defined as the resistance of a specific conductor (material) of a given size (length and cross-sectional area). Because of its high resistance, which fights the passage of current and generates a lot of heat, Nichrome has the highest resistivity and demonstrates the heating influence of electricity. As a result, it is used as a heating coil in a wide range of household appliances, including room heaters, water heaters, ovens, heating rods, and so on.
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