why do we need transformers?

Answer Posted / rashmi.c

to step up and step down the voltage...

Is This Answer Correct ?    5 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Write the force balance equation of m ideal mass element.

715


300m long and 30kw inductive loade 3phase supply how many size cable required

998


What is mean by Sensitive Earth fault & what are the effects

3746


what will happen if there is a voltage leakage or current leakage in an electrical train

1503


How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

1479






In the magnetic fluxes, what is the role of armature reaction?

689


What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

1934


current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

1160


What is the armature mmf in a D.C machine?

794


how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

912


How may I enrol or get admission to your program?

1471


what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

1546


how withstand of hi-pot test outputs of transformer wire 2.5mm

1505


What is Phase to Phase clearance for 800V System Operating Voltage as per IEC61439

542


In Electrical 'Single Line Diagram' cable nomenclature shows "2 X 1C X 630sq.mm to be provided for one incomer. The question is how many cable to be proved for one Incomer.

1292