Answer / amrish

lenght

Answer / s.arunvijay

ac current has high intensity ,during the flow of current it
produces heat rather than the dc current

Answer / ramya

in ac the current supply are in alternating in nature
whereas in dc the current direct in nature.due to this ac
takes more current so it doesn't be widely used.in dc its
current consumptions are less,so its most probably used.

what is mean by PID & Principal of working

6 Answers  

---

i asked a funny question in Electrical ohms law V=IR in const temp voltage is directly proportional to current Power p=VI cos@ in that formula Voltage is indirectly proportional to current Try to give me the fact what is happening in Electrical.. contact Thanigai_1984@yahoo.co.in

3 Answers  

---

what happen if the battery is charged by more than one source ,for ex: connecting data cable to laptop & charger pin to source supply ? 

2 Answers  

---

what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

0 Answers  

---

CAN WE GENERATE AC WITHOUT DC EXCITATION?

1 Answers  

---

what law motor works?

3 Answers  

---

sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

---

why battery room in substation is black coloured?

4 Answers  

---

Office , overtime and television how big this stage?

0 Answers   ONGC,

---

what is the difference between b c d curves on mcb

0 Answers  

---

what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

0 Answers  

---

If there is unit power factor in a power house and a capacitor bank used in a factory at resistive load . In this case, will there leading power factor in power house across that factory.

2 Answers  

---