Answer / baljinder singh

in 1800 Alsendro Voltas find the voltage .

Answer / umang

DC voltages are first observed ......by the great thomas
alva edition...

Answer / shoebullah

question is wrong .. Its not AC
voltage or DC voltage its AC
CURRENT and DC current i.e
alternating current and DC is
direct current .... A.C invented
by my fav. NIKOLA TESLA and
DC invented by Thomas alva
edison

Answer / kedam .koteswar

n 1886 Frank Julian Sprague invented the first practical DC motor

How many types of timer ?which timer are used star delta feeder

1 Answers   BMM Ispat,

---

What is SFU ?

4 Answers  

---

why use celling fan wing is two or three ?

2 Answers  

---

What is the deference between earth fault & earth leakage

1 Answers  

---

what is the grounding Calculation formula? spouse i want to provide grounding to 3phase 18kw motor or i want to provide ground to 3phase 10kva dry type transformere or you give me any exemple...... Thanks.

0 Answers  

---

---

how to calculate busbar size? ex:11000kva main what is the busbar size ?and how to select the correct one

4 Answers  

---

what formula can be apply to calculate the No of rtrand of a cable. ?

1 Answers  

---

what is main difference between live tank and dead tank current transformer?

2 Answers   Atul,

---

what is the maximum load in MDB,SMDB and DB

1 Answers  

---

Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,

---

how do we connect mcb in our home?and how does it work?

3 Answers   IOCL,

---

how many safety really of DG sets.

0 Answers   MBD, Nerolac,

---