Answer Posted / sorav

because large value of frequency means,lower value of time,
so,signals are transferred with more accuracy.

one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

2140

---

pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

2015

---

Name a govt approved university which have 100% online engineering course.

1718

---

How halogen & merquery lamp works.

2167

---

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1910

---

why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

3115

---

Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

1932

---

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

2286

---

what is the meaning of 5% droop or 7% droop in AVR?

2326

---

in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

1839

---

What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?

2717

---

Why is better to have a minimum ceiling voltage of 250% than 160%?

1845

---

What is a dominant pole?

1166

---

What is Scheme Test of High Voltage Switchgear. Which tests it includes.

2428

---

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2123

---