Answer / ckm

electrical power consumed by any device is the product of current carried by it and voltage arcoss it.......or...rate of change of electrical energy per unit time...................electrical energy is the product of power consumed and time

Answer / varaprasad inavilli

power is the product of voltage,currnet and power factor(in AC system)

power is the product of voltage,currnet (in DC system)

when will cause the negative sequence falut in electrical system?

2 Answers   Schneider,

---

What is VCB? where it is installed at SP. What is SP?

0 Answers  

---

What is ment by KVAR and what are the advantage&dis- advantages of KVAR

2 Answers  

---

Any one can explaination about calibration with rotating sub standards?

0 Answers  

---

IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED

2 Answers   BSF,

---

how to reduce earth to neutral voltage?

8 Answers   Field Gun Factory,

---

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

0 Answers   Adhunik,

---

how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

0 Answers  

---

if the supply frequency increases what happens to the motor load

2 Answers  

---

What is C-factor?why it is required to consider in fault short circuit calculations?

2 Answers  

---

How will polarity test of Dy5 Transformer ?

0 Answers  

---

what is the difference between line voltage meter and relays

4 Answers   TCS,

---