A 2-wire d.c. distributor A B 500 metres long is fed from point 4 and is loaded as under: Distance from feeding point 4 (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 distmbutor shall not exceed 10 volts ? 100 300 400 500 20 40 40 50 [1 734 cm]

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3. A 2-wire d.c. distributor AB 500 metres long is fed from point .4 and is loaded as under:
Distance from feeding point.4 (in metres)
Load (amperes)
If the specific resistance of copper is 1-7x 10 Sm what must be the cross-section of each wire in order
that the voltage drop in the dismbutor shall not exceed 10 volts ?
100
300
400
500
20
40
40
50
[1 734 cm]
Transcribed Image Text:3. A 2-wire d.c. distributor AB 500 metres long is fed from point .4 and is loaded as under: Distance from feeding point.4 (in metres) Load (amperes) If the specific resistance of copper is 1-7x 10 Sm what must be the cross-section of each wire in order that the voltage drop in the dismbutor shall not exceed 10 volts ? 100 300 400 500 20 40 40 50 [1 734 cm]
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