Interested to Buy Any Domain ? << Click Here >> for more details...
Do you know how to measure the earth resistance?
- 7 Answers
- 15715 Views
- Manhattan, I also Faced
- E-Mail Answers
Answer Posted / sumit garg
to mesure the earth resistance we need to find a specipic
constant of the earth soul.
so by using a formula.
R=P(L/A) Ohm
where,
p = Secific gravity constant
L = lenth of Earth
A = Area of Earth.
| Is This Answer Correct ? | 1 Yes | 30 No |
Post New Answer View All Answers
i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?
What is the formula to calculate the rating of power cable for three phase current.
What are the types of control system?
There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.
how to calculate the change over time for star delta starter for different KW motor?
In siemens PLC, why do we want to move the data ?
What are high pass filter and low pass filter? and What are the flowmeter ?
Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,
what is meant by 3rd hormonics ?
Name the component u would expect to find in a switchgear assembly?
What cmos is and its benefits?
what is the main function of capacitors in mccs.
What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?
