How power factor of a transformer is calculated

3 Answers  

---

The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

0 Answers  

---

what is tpdt

4 Answers  

---

practicalLY what is impedence ...?

2 Answers  

---

Petroleum jelly is applied to the terminals of the lead acid battery is to prevent?

2 Answers   KSEB,

---

is the value of inductance depends upon the value of thitha in doubly excited machine??

0 Answers  

---

what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 Answers   Alstom, Torrent Power,

---

What is mean by staling?

2 Answers   UPPCL,

---

In EB metering we face problem kva jump even in no load condition.can any one help to control this

0 Answers  

---

what is control supply rating of a machine

0 Answers  

---

which is the best book of electrical objective for placement

1 Answers  

---

for ac networks if the voltage wave form is V=Vm sinwt here the voltage Vm=230 for the frequency 50hz then the time period is 0.02 sec then for the time period 0.12 sec what is the voltage

4 Answers  

---