Why is copper refined before using it as transmission wire?

Impure copper has low conductivity.

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Impure copper is less ductile.

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Impure copper gets heated fast.

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None of these

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Solution

The correct option is A
Impure copper has low conductivity.

The most important use of copper is in the form of transmission wires. For this, copper must be absolutely pure because very small amounts of impurities reduce its conductivity to a great extent.

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Why is copper refined before using it as transmission wire?

The correct option is A Impure copper has low conductivity. The most important use of copper is in the form of transmission wires. For this, copper must be absolutely pure because very small amounts of impurities reduce its conductivity to a great extent.

The correct option is A
Impure copper has low conductivity.

The most important use of copper is in the form of transmission wires. For this, copper must be absolutely pure because very small amounts of impurities reduce its conductivity to a great extent.