what is the difference between transformer and amplifier ??

Answer Posted / naeem

Amplifier is active, while Transformer is a passive device. Amplifier's input and output impedances r independent of gain, a Transformers input and output impedances r related by the square of turn ratio.

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

sir i have cleared the apti test of EIL held on 15th march and my interview will be in new delhi on 2nd june.i will be very much helpful if u help me regarding the type of interview questions comes at EIL.(URGENT.........PLZZZZZZZZZZ...............)

1560


what is the effect of un-synchronized power.

1544


How colour picturetube works & how many year it will works.

1570


How REF protects transformer alone? explain with diagram.

1008


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

1245






why there using acb enclosure in big buildings

1533


while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2423


What is a signal flow graph?

637


WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

1500


How we calculate DC inducation moter Amp? Sir pls give me formula......

1425


solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1346


What happens when two positively charged material is placed together?

696


How many types of faults are there in 3 phase power system?

635


What happens to voltage when current is zero?

768


what is the necessity of under ground cables ??

1626