Question

how can you increase the size of copper wire ​

Answer 1

Answer:

Explanation:

A thicker wire simply has more 'lanes' on the go at once. A higher current for a given voltage means a lower resistance. The thicker wire in (4) has a lower resistance than the thinner wire in (3). The resistance of a wire decreases with increasing thickness

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Answer 2

Answer:

heat it

Explanation:

On heating metals expand