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) 100 300 400 500 Load (amperes) If the specific resistance of copper is 1-7x 10* Qm, what must be the cross-section of each wire in order that the voltage drop in the distributor shall not exceed 10 volts ? 20 40 40 50 [1-734 cm']

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3. A 2-wire d.c. distributor A B 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 1-7x 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
300
400
500
20
40
40
50
[1-734 cm³]
Transcribed Image Text:3. A 2-wire d.c. distributor A B 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 1-7x 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 ? 100 300 400 500 20 40 40 50 [1-734 cm³]
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