American Wire Gauge (AWG) sizes. Ohms/305 m Cross-sectional Area (cm) AWG Diameter (cm) @20°C 4/0 1.175 1.084 0.049 3/0 1.046 0.859 0.0618 0.931 0.829 2/0 0.681 0.078 1/0 0.5398 0.0983 0.658 0.3400 0.1563 4 0.522 0.2140 0.2485 0.414 0.1346 0.3951 8 0.328 0.0845 0.6282 10 0.260 0.0531 0.9989 12 0.206 0.0333 1.588 14 0.164 0.0211 2.525 16 0.130 0.0132 4.016 18 0.103 0.0083 6.385 20 0.0816 0.0052 10.15 22 0.0647 0.0033 16.14 24 0.0513 0.0021 25.67 26 0.0407 0.00130 40.81 28 0.0323 0.0256 0.00082 64.9 30 0.00051 103.2 32 0.0203 0.00032 164.1 260.9 34 0.0161 0.00020 36 0.0128 0.00013 414.8 38 0.0101 0.00008 659.6 40 0.00802 0.00005 1049 3.If the resistance of a copper wire is 50 N at 20°C, what is its resis-tance at 100°C (boiling point of water)?
American Wire Gauge (AWG) sizes. Ohms/305 m Cross-sectional Area (cm) AWG Diameter (cm) @20°C 4/0 1.175 1.084 0.049 3/0 1.046 0.859 0.0618 0.931 0.829 2/0 0.681 0.078 1/0 0.5398 0.0983 0.658 0.3400 0.1563 4 0.522 0.2140 0.2485 0.414 0.1346 0.3951 8 0.328 0.0845 0.6282 10 0.260 0.0531 0.9989 12 0.206 0.0333 1.588 14 0.164 0.0211 2.525 16 0.130 0.0132 4.016 18 0.103 0.0083 6.385 20 0.0816 0.0052 10.15 22 0.0647 0.0033 16.14 24 0.0513 0.0021 25.67 26 0.0407 0.00130 40.81 28 0.0323 0.0256 0.00082 64.9 30 0.00051 103.2 32 0.0203 0.00032 164.1 260.9 34 0.0161 0.00020 36 0.0128 0.00013 414.8 38 0.0101 0.00008 659.6 40 0.00802 0.00005 1049 3.If the resistance of a copper wire is 50 N at 20°C, what is its resis-tance at 100°C (boiling point of water)?
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Transcribed Image Text:American Wire Gauge (AWG) sizes.
Cross-sectional
Ohms/305 m
AWG
Diameter (cm)
Area (cm?)
@20°C
4/0
1.175
1.084
0.049
3/0
1.046
0.859
0.681
0.0618
2/0
0.931
0.078
1/0
0.829
0.5398
0.0983
0.3400
0.2140
0.1346
0.0845
2
0.658
0.1563
0.522
0.414
0.2485
0.3951
4
6
8
0.328
0.6282
10
0.260
0.0531
0.9989
12
0.206
0.0333
1.588
0.0211
0.0132
14
0.164
2.525
0,130
0.103
4.016
6.385
16
18
0.0083
20
0.0816
0.0052
10.15
22
0.0647
0.0033
16.14
24
0.0513
0.0021
25.67
26
0.0407
0.00130
40.81
28
0.0323
0.00082
64.9
30
0.0256
0.00051
103.2
32
0.0203
0.00032
164.1
34
0.0161
0.00020
260,9
36
0.0128
0.00013
414.8
38
0.0101
0.00008
659.6
40
0.00802
0.00005
1049
3.If the resistance of a copper wire is 50 at 20°C, what is its
resis- tance at 100°C (boiling point of water)?
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