why we not connect the 12 V batteries in parallel to get the more backup supply ? how to calculate the input wattage and output wattage of an UPS ?

1 Answers  

---

what is the exact difference between zener breakdown voltage and avalanche voltage??

3 Answers   TCS,

---

State the differences between power amplifier and voltage amplifier.

0 Answers  

---

why germanium is most suitable for DWDM systems?

0 Answers  

---

Iwant the old question paper for J.E(Tele.Signal).

0 Answers   RRB,

---

---

Two initially identical samples A and B of pure germanium are doped with donors to concentrations of 1*10, 20 m-3 and 3*10, 20 m-3 respectively. If the hole concentration in A is 9*10 12 m-3, then the hole concentration in B at the same temperature will be

0 Answers   C DAC, CDAC,

---

L&T APFC Relay model etacon L8 fault: Initial power factor is 0.6 when capacitor is on, the value of power is getting down, please let me know the reason and rectification details.

1 Answers  

---

what is a E1?

2 Answers  

---

HI ALL.. I TOO APPLIED FOR THE POST OF JR.EXECUTIVE ELECTRONICS(AAI).HOW DO U PEOPLE KNOW ABOUT THE EXAM DATE DO U GOT ANY ACK...

0 Answers  

---

what is Global Call

0 Answers   Intel,

---

Please send BSNL TTA Question Answer

0 Answers   BSNL, PSEB,

---

what is GPS & GPRS?What is diff. among them?

3 Answers  

---