Answer / sravanthi

Transformer is a static device which will change the
voltage from one level to another level without changing
frequency.

Answer / n.m.dutta

transformer is an electrical device which convert low
voltage to high voltage and vice verse at constant frequency .

Answer / subash m k 9846537606

It is an electrical equipment used for step-up or step-down
the output voltage corresponding to the input voltage.

Answer / vindhya vasini

it is an electrical device which transfers electrical power from one circuit to another of same frequency

Answer / n rajesh(zuari)

Transformer is a static device which step up or step down
voltage and current without changing frequency.

Answer / pradyumna

Transformer is a static device which transfers electrical
power one side to another side without changing the
frequency.
It's work on mutual induction process.

Answer / alok

Transformer is a static Electrical Machine which changes the
voltage from one level to another level without changing
the frequency.

what is cascade speed control device?and how this device control the speed of motors?

0 Answers   ABB,

In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

can we say current flows inside an atom as electron moves inside an atom?

7 Answers   Vedanta,

what will happen if ac motor given dc supply?

1 Answers  

what is the use of tertiary winding?

2 Answers  

whta does the middle finger stands in flemings left hand rule

3 Answers  

wat is the need of capacitor on aceiling fan?

5 Answers  

how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

2 Answers   MSL,

What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

0 Answers  

if current required for triggering thyristor at -30 degrees(temp) is 80 mA, what is the current required at 60 degrees

1 Answers  

HOW TO CALICULATE THE LEAD ACID BATTERY AH AND HOW TO FIND THE 1.2KVA UPS BACKUP @ 1000WATTS LOAD?

2 Answers  

what is frequency transformer?

2 Answers