what is use of reactive power in ac ckt.

2 Answers  

---

why we step up voltage for reducing the loss, even if voltage and current are proportional anr resistance remains same

12 Answers   Sarhad University,

---

The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length

1 Answers   Engineers India Limited,

---

why they charge more bill for low power factor rather than high power factor

2 Answers  

---

hot water tank,top element 240v across,the bottom 120v across,why?

1 Answers  

---

---

High Voltage out door substation-annual maintenance, things to be considered

1 Answers  

---

what is the difference between transformer and amplifier ??

5 Answers  

---

define briefly the function of an ac electric generator (alternator)?

1 Answers  

---

can we step up dc power using transformer?

15 Answers  

---

Do you have any P.L.C in your organization?

12 Answers  

---

What is the different between Earthing & grounding?

1 Answers  

---

whether choke act as a voltage regulator in tubelight or not?

1 Answers   Bhel,

---