Answer Posted / pheba
A transformer is not a device to convert variable dc to
const dc.... it is used to step up, step down or to
transmit a particular level of voltage....
dc can be amplified using amplifier.... can be reduced
using pot dividers....so dc transformer doesn't make any
sense...
| Is This Answer Correct ? | 5 Yes | 2 No |
Post New Answer View All Answers
Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
nwhat are the main Components of servo motor?
what is the saturation point of crgo lamination.
direction of tarbine& genrator
State the types of distortions in amplifier?
what is meant by LCR meter? where its useful ?
What is sensitivity of a measurement?
Salient pole alternator is more stable, why?
why we can stote dc? why we cant store ac?
how we design a pannel to start 10HP motor with the help of star delta starter?
If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.
briefly explain the main blocks found in a microprocessor based system
WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT