Answer Posted / saud zafar usmani
The purpose of ground is to provide a sink for the current.
At ground level, digging a hole in the earth and burrying a
conductor provides the ground.
In flights the body of the aircraft itself is a big sink
for currents. In flights the connection from aircraft body
itself provides the neutral (grounding)
| Is This Answer Correct ? | 15 Yes | 4 No |
Post New Answer View All Answers
what is the relative size of single and three phase?
What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?
how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .
Why temperature rise is conducted in bus bars and isolators?
Is there any type of starter for DC motor other than two point,Three point and Four point starters?
According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?
explain working principle of earth leakage relay
Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??
Why do we use copper cable for HT Supply and why not Aluminium?
plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?
when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)
A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.
10 Mtr Hight of Lighting Arrestar how much area coverd??
why the name trunking bus PT
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?
