Answer Posted / roshan

if the in put of a transformer is DC then steady current will
flow due to which change in magnetic flux will not take place
& induced emf will not be produce & therefore the transformer
will not work

What is the difference between cylindrical-type and sandwich-type winding?

1446

---

Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

2148

---

If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

1999

---

What descriptive information does the NEC require to be marked on all conductors?

1999

---

Is potential difference materials property ..? if yes tnen how.. explain brifly.

2047

---

how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

2762

---

Hi Everyone ! My Name is Hakim ullah khan please i need formula of Cable Rating because i want to calculate by self without check any Table Chart... Thank you.....

1701

---

What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr

1066

---

What is nichols chart?

1321

---

lorteny method

1994

---

before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

1656

---

Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

1987

---

a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

1614

---

best manufacturer for busbar for outdoor switchyard having double bus bar scheme, can any one share technical specification of busbar. 132kv voltage ?

1706

---

List of equipments required foe industrial repair lab.

1887

---