Copper alloy wire constant manganin wire will be the next best. It is an alloy containing 80% copper, 13 – 18% manganese and 1 – 4% nickel.

Copper Alloy Wire constantan manganin nickel and strengthening impurities, such as iron and manganese. Cupronickel does not corrode in seawater, because its electrode potential is adjusted to be neutral with regard to seawater. 

Constantan/Manganin Wire for Resistor/ Resistance
Polyurethane Enamelled Manganese Copper Alloy Manganin Wire 6j8, 6j12, 6j13

Constantan is a copper–nickel alloy also known as Eureka, Advance, and Ferry. It usually consists of 55% copper and 45% nickel.

Is Manganin wire good?
Pure copper is used widespeadly in wiring, and surely it must have a low resistance for it to be used all over the world. I think manganin wire will be the next best. It is an alloy containing 80% copper, 13 – 18% manganese and 1 – 4% nickel. This isn’t pure copper so it won’t be as good a conductor as the copper will be.

What is the worst conductor of copper and Manganin?Constantan, which is also an alloy contains 60% copper and 40% nickel. This has less copper again therefore constanan will be a worse conductor than both pure copper and manganin. Nichrome contains 20% chromium and 80% nickel. It has no copper in it so it will be the worst conductor of them all.

What is manganin alloy?
Manganin is the trademarked name for an alloy that consists of three metallic elements – Copper, Nickel and Manganese. This alloy is useful in various industries. Read on to learn more about the composition, properties and uses of this material.

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