Transfer of electric power from primary to secondary in a
transformer takes place
A electrically B magnetically
C electro-magnetically D conductively

Answer Posted / susmita

i feel it ll be electromagnetically.......coz the basic
principal of transformer is electromagnetic induction

Is This Answer Correct ?    7 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

1558


What is transmittance?

648


How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

1682


How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

1157


How to work meggar?

1374






how to setting voltage RTCC panel

1218


List out the different frequency domain specifications?

763


What is reactive power and where it is used.

1203


what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?

3962


what is the meaning of neutral displacement ???

2261


What does Bode plot tell you?

814


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

1940


7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

1777


What will be the current if the resistance total in a series circuit doubles?

701


what is the Pickup/drop off ratio in BCPU relays

4166