how to calculate voltage drop in long distance cable?
for an e.g lamp of 12 volt ac ,300watt is 90 meter away
from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts
at lamp terminal ....



how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt ..

Answer / k.prakashchandra

R = rho(of the metal) x length/sectional area.Pd=RxI

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention

0 Answers  


what will happen, if both relay contact has live supply, and coil of relay activated

1 Answers   AVS,


how do i convert 22kw to kva

4 Answers   Stag Computers,


what is the burdon in case of relays?

1 Answers  


y r manufacturing fan is running into clockwise direction?y they can made in anticlock direction?pls give rply/ venkat.gattupalli@gmail.com pls send to my mail....

1 Answers  






why we use negative feedback in control system.

2 Answers  


what is overflexing in transformer? setting?

1 Answers  


What is maximum AC & DC transmission voltage in India? and where?

12 Answers  


what is difference between earth fault& restricted earth fault.

3 Answers  


As all us know that the capacitor panel is connected to improve the power factor when it is PF is low. whether we can connect the capacitor panel on D.G. side(? If it is yes means why?

1 Answers   Aricent, Essar,


what is the main difference between power devices and signal devices

0 Answers   Wipro,


What is the difference between Class PX & Class X CT's

2 Answers   ABB,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)