Answer / mahavir jagdev

the choke along with the starter is used to give the high voltage start to the tube light which has heating filaments at both ends to ionize the gas inside. once the tube starts glowing then only 90 volts is required to keep it going, so the starter stops the current flow into the heating filaments and the choke uses it's impedence to absorb the extra voltage from 220 volts to keep the tube light voltage to 90 volts.

1)which height building required lightning arrester? 2)how to calculate the requirement of lightning arrester? 3)what is the pro instrument? 5)how to test protective relay like overload?earth fault relay?

1 Answers  

---

how to discharge 3 phase power factor correction capacitors

0 Answers   M S Ramaiah Institute,

---

what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

0 Answers  

---

What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.

0 Answers  

---

What will be the effect if I use inverter as UPS mood?

0 Answers  

---

why do fans generally rotate in anti clock wise direction??

2 Answers   BMS, FIS, IBM,

---

Why different values of B’s (magnetic flux density) are chosen for DC machines and Induction Motors?

1 Answers  

---

how calculate cable size in squre mm, when the load is given by in kw? do u have current rating chart of elctrical cables?

4 Answers  

---

1.what is difference between line,neutral and earth 2.IF single phase voltage is 230v ac and what should be the voltage between line to neutral,neutral to earth and earth to line

1 Answers  

---

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

0 Answers  

---

electrical engineering giving priority for insulators rather than conductors, why ?

5 Answers  

---

sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

0 Answers   Bhel, TNEB Tamil Nadu Electricity Board,

---