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Question:

A copper wire with a diameter of 1mm can pass too much current? What happens if the current passes through the 20A?

A copper wire with a diameter of 1mm can pass too much current? What happens if the current passes through the 20A?

Answer:

Square copper wire, under the regular 1 square wire, is able to withstand 9A current. If the current is over 20A, the current carrying capacity of the wire will cause the wire to heat up more than it burns.
A copper wire of 1mm diameter can be over current 13A.
Do the inductance coil, current according to the safety of traffic, namely: 13A.
If you go through the 20A, the current will rapidly heat up, and then burn red, will burn off the wood, there are experiments, so I do not know.

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