Answer Posted / ngrjbh

sorry... with out multimeter we can caluclate
IF DC current=20A , DC voltage=48v
Load=20*48 =960w
load=960w =9.6KW

Considering the same load in A.C.
load=960w, AC voltage=230v, P.F.=0.84
To find out current=?
current=load/voltage*P.F.
=960/230*0.84
=4.97A
DC current 20A = AC current 4.97A
Plz reply with new answer ngrj_bh@yahoo.co.in

what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

2329

---

in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

2225

---

what is the principle of operation of CFL ??

2655

---

please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com

2179

---

how to convert lv line to hv line and viseversa, any losses will occur during this process

2068

---

How can calculate the rating of a alternator for a given specific load with formula

2334

---

What is the problem of internal failure in ship engine telegraph system norcontrol?

2386

---

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

2013

---

0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz

2129

---

Rules and standards of electrical control wiring ?

1140

---

Explain how you decide what size of electrical wire do you need?

1124

---

What is quadrantal symmetry?

1642

---

what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

3307

---

What was your role in the silicon evaluation/product ramp? What tools did you use?

1952

---

what is meant by surge? what we called for high currents?

2013

---