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200 yards to 200 feet is easy, just divide by three.

0.09 square inches means the new wire has about 1.9 times the cross-sectional area of the old one (assuming CM means circular mils). So that would reduce the resistance by a further factor of 1.9.

All told, I'm getting somewhere in the vicinity of 166 "m ohms" (milliohms?).

I did not understand .I'm talking Arabic

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11y ago
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Q: What is the new resistance level of a wire if the length is changed from 200 yard to 200 feet the area is changed 60000 CM to 0.09 in2 and the original resistance was 950 m ohms?
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