Answer / k.prakashchandra

Fill the earth pit with dry saw dust with bottom resting on
an insulated block

Answer / sanjay d. dabli

Look this is tricky question because earth has resistance from 0 ohms to 10 ohms.This means if we make earth pit we get resistance between 0 to 10 ohms. We can get 1000 ohms resistance between two earth pit by providing 1000 ohm resistance between them.

why any Elelctricity board insist not to change the buren of their metering CTs or PTs for metering purpose? as a example elect. board not accepted that any customer change their metering CT or PT core burden from 5VA to 15VA.. why?

1 Answers  

---

How to get Electrical Supervisory Licence in chennai Tamil Nadu from TNEB. I am BE EEE graduate.

1 Answers  

---

who & how the notations given as RYB to 3phase power supply.

1 Answers  

---

. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

0 Answers  

---

Why overhead transmission line in triangular shape?

2 Answers  

---

I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when source change govt. source to captive some motor rotate reverse. Is phase sequence changes when if off & on?If I off generator & on it again is it possible to get changed phase sequence??

4 Answers   ABB,

---

What is rotor angle stability?

2 Answers  

---

what is control supply rating of a machine

0 Answers  

---

I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.

1 Answers   Wipro,

---

how many units consumed by 8.5 ton ductable split ac in one hour in 3 phase?

2 Answers   Servis,

---

If ac 230volts inputsupply to full wave rectifire what is D C output voltage.

3 Answers  

---

what is the abbreviation & meaning of UI charges

1 Answers   MNC,

---