Question

What should compass needle made of ?
a. Brass
b. Iron
c. Aluminium
d. Silver​

Answer 1

Silver is the best option because it's a good conductor of electrricity even we can use aluminium but silver is best.

Answer 2

Answer:

The needle of a magnetic compass must be made of a metallic substance, which can be magnetized for an extended period of time. The most common substance used for compass needles is steel. Steel is an alloy of iron and a small amount of carbon.

Explanation:

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