Answer / nibel

actually the battery charger should deliver 10-20% more than the battery voltage rating. if its exceeds there will be the chances of explosion.
no need to worry about the polarity but the voltage rating matters.

Answer / soumaydeepmaity

when u connect an LED with two 1.5 cells they will glow and if u add another two they will glow more.similarly when u will connect your batteries with two sources it will get charged quickly .

What causal system?

1 Answers   NTPC,

---

Hi to all... I Want Weight Details of the alternator for making free power energy.

0 Answers   ME,

---

What is minimum permicible value of leackage current for LT Panle when applying voltage up to 3 KV for 5 Minuits?

0 Answers   BFL,

---

difference b/w bus bar and tie line?if possible explain with eg:

2 Answers  

---

how to check the insulation for motor using megger?

2 Answers   GSK,

---

what could be the RMS value and average value of a 4 phase sine wave?

0 Answers   BARC,

---

in a 740 kw dc seperately excited motor field voltage is constant about 17.4 volts and armature voltage is500 volts dc. how it is possible to have two different voltages from single transformer of output voltage 500 volts? if any difficulty in question contact ajitsingh.kadian@gmail.com

1 Answers  

---

Why rating of transmission line in kv not in kva

2 Answers  

---

What is making & breaking current ???

0 Answers   JLL,

---

why rating of alternator in kva & induction motor in kw

9 Answers   Siemens,

---

how much percentage(%) of load can feed in power transformer?

1 Answers   Siemens,

---

what is the relative size of single and three phase?

0 Answers   Student,

---