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Class 10 Science Medium Mcq English Medium

Constantan is an alloy of:

Question
Constantan is an alloy of:
Nickel and chromium
Copper and nickel
Iron and manganese
Silver and copper
Answer
Copper and nickel
Detailed Explanation
According to the resistivity table, constantan is an alloy of copper (Cu) and nickel (Ni).
What is the SI unit of electric current? Science · Electricity Electric current is defined as the rate of flow of: Science · Electricity The direction of conventional electric current in a circuit is taken as the direction of flow of: Science · Electricity One coulomb of charge is equivalent to the charge of nearly: Science · Electricity

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