can i put two batteries in place of one battery in 600VA UPS? If yes, then it will be whether in series or parellel. will there be any adverse effect after putting two batteries?

2 Answers   Air Force, Indian Air Force,

---

Define what is a p-n junction?

0 Answers  

---

Why do we need digitisation?

0 Answers  

---

How to calculate knee point voltage? Describe its purpose for differential protection.

0 Answers  

---

Define what is zener voltage?

0 Answers  

---

Define digital system?

0 Answers  

---

what is callibration?

1 Answers  

---

how does the polarised capacitor works? at which situation in circut it is used?

1 Answers   BPL,

---

what is the source of time varying magnetic field?

2 Answers  

---

How many total no of channel bypass in one BTS.

0 Answers   NSN,

---

Briefly explain how to get..? maximum resistance can be obtained by using 2 resistors.

4 Answers   Cummins,

---

define UPS's working principle ?

1 Answers   Videocon,

---