Question:
The material having nearly zero temperature coefficient of resistance is
The material having nearly zero temperature coefficient of resistance is
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Manganin is used for standard resistors because its resistance changes very little with temperature.
Updated On: May 27, 2026
- Copper
- Aluminium
- Manganin
- Carbon
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The Correct Option is C
Solution and Explanation
Concept:
Temperature coefficient of resistance tells how much resistance changes with temperature.
Step 1: Metals such as copper and aluminium have positive temperature coefficient of resistance.
Step 2: Carbon has negative temperature coefficient of resistance.
Step 3: Manganin has very small or nearly zero temperature coefficient of resistance.
Step 4: Due to this property, manganin is used in standard resistors and measuring instruments. Therefore: \[ \boxed{\text{Manganin}} \]
Step 1: Metals such as copper and aluminium have positive temperature coefficient of resistance.
Step 2: Carbon has negative temperature coefficient of resistance.
Step 3: Manganin has very small or nearly zero temperature coefficient of resistance.
Step 4: Due to this property, manganin is used in standard resistors and measuring instruments. Therefore: \[ \boxed{\text{Manganin}} \]
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