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MMLU-Pro / 11308 / (i)Whatis the circular-milarea of a wire (a) 0.1 in., (b)0.2 in., (c) 0.325 in.…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

(i)Whatis the circular-milarea of a wire (a) 0.1 in., (b)0.2 in., (c) 0.325 in. in diameter ? (ii) The resistance of a length of copper wire is 3.60 ohms at 20°C.What is its resistance at 80°C ?

category

engineering

options

  1. (i) (a) 12,500 cir mils, (b) 50,000 cir mils, (c) 126,562 cir mils (ii) 5.60 ohms
  2. (i) (a) 7,500 cir mils, (b) 30,000 cir mils, (c) 75,625 cir mils (ii) 4.60 ohms
  3. (i) (a) 15,000 cir mils, (b) 60,000 cir mils, (c) 158,438 cir mils (ii) 6.45 ohms
  4. (i) (a) 10,000 cir mils, (b) 40,000 cir mils, (c) 105,625 cir mils (ii) 4.45 ohms
  5. (i) (a) 25,000 cir mils, (b) 100,000 cir mils, (c) 253,125 cir mils (ii) 6.60 ohms
  6. (i) (a) 8,000 cir mils, (b) 32,000 cir mils, (c) 82,450 cir mils (ii) 7.60 ohms
  7. (i) (a) 14,000 cir mils, (b) 56,000 cir mils, (c) 140,500 cir mils (ii) 4.75 ohms
  8. (i) (a) 5,000 cir mils, (b) 20,000 cir mils, (c) 52,812 cir mils (ii) 3.45 ohms
  9. (i) (a) 18,000 cir mils, (b) 72,000 cir mils, (c) 183,112 cir mils (ii) 5.20 ohms
  10. (i) (a) 20,000 cir mils, (b) 80,000 cir mils, (c) 210,000 cir mils (ii) 5.45 ohms

src

stemez-ElectricalMachines

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Source and history

upstream_id / Original problem ID
11308
task_id
493bf5f0-a3ef-5347-be84-929e1bd59c49
task_key
default--test--11308
task_revision_id
1
config / split
default / test

Official source

initial import