When batteries are connected in series the voltage increases but the current remains unchanged, how can this be? When you consider ohm's law. i.e. If voltage increases, current increases, providing resistance remains the same.

10 Answers  

---

why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

0 Answers  

---

how do we calculate length of starting time and repeated starting of a direct online starter?

0 Answers  

---

1)What will you do if main incomer VCB fail in your site ?

7 Answers   Honeywell,

---

why we use lamination or layer by layer cor used?

4 Answers  

---

In UPS, battery connections if parallel connection given, what will happen?

2 Answers  

---

In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

0 Answers  

---

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

0 Answers   ACC,

---

What is the problem, if a circuit breaker is not closing.

4 Answers   KSEB, L&T, Siemens,

---

can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

0 Answers  

---

if we put a energy meter in 500 kvar capacitor bank ,then how much units show in energy meter per day.

2 Answers  

---

Re: can you give main difference between ELCB 2pole And RCCB 2pole? And how this devices operated?

4 Answers  

---