Why most of the resistances are made of manganin???
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The standard resistance coils are made of manganin. This is because 1. the variation of resistivity with temperature is very small and 2. the resistivity of manganin is very high and any desired resistance can be made with convenient dimensions of the material.
The standard resistance coils are made of manganin. This is because 1. the variation of resistivity with temperature is very small and 2. the resistivity of manganin is very high and any desired resistance can be made with convenient dimensions of the material.
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