Answer / guest

what in the world are you talking about?

what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 Answers  

---

Explain UPS

1 Answers   Powerica,

---

how we can check the CT & VT?

2 Answers  

---

Min and  max capacities of VCB,ACB,ACCB,OCB,MCCB and MCB

3 Answers   apspdcl,

---

how to calculate percentage impedence at 75 deg C at normal tap

0 Answers  

---

For an 100kw generator, only 50kw of load is connected. Will the generator generate only 50kw or 100kw. If it generate 100kw what happens to rest of the 50kw. What happens if we connect more than 100kw of load?

2 Answers   L&T,

---

Brief use of isolation transformer & how it works.

1 Answers  

---

where do we connect tap of tap changer, to H.V. side or L.V.side? and why?

5 Answers   Vedanta,

---

How much ph is maintained of water resistance starter for slipring induction motor ?

0 Answers  

---

why field rhoestat is kept in minimum position while armature rheostat at maximun position?

3 Answers  

---

What is the difference between DOL starter and star delta starter

0 Answers  

---

how much watts are equal to one unit of energy meter?

9 Answers  

---