3. A 2-wire d.c. distributor AB 500 metres long is fed from point A and is loaded as under : Distance from feeding point A (in metres) Load (amperes) If the specific resistance of copper is 1-7×10 2m, what must be the cross-section of each wire in order that the voltage drop in the distributor shall not exceed 10 volts ? 100 400 40 500 300 40 20 50 [1-734 cm]

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3. A 2-wire d.c. distributor AB 500 metres long is fed from point A and is loaded as under :
Distance from feeding point A (in metres)
Load (amperes)
If the specific resistance of copper is 1-7×10 2m, what must be the cross-section of each wire in order
that the voltage drop in the distributor shall not exceed 10 volts ?
100
400
40
500
300
40
20
50
[1-734 cm]
Transcribed Image Text:3. A 2-wire d.c. distributor AB 500 metres long is fed from point A and is loaded as under : Distance from feeding point A (in metres) Load (amperes) If the specific resistance of copper is 1-7×10 2m, what must be the cross-section of each wire in order that the voltage drop in the distributor shall not exceed 10 volts ? 100 400 40 500 300 40 20 50 [1-734 cm]
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