The reason for laminating the soft iron core of a t...
The reason for laminating the soft iron core of a transformer is to?
reduce eddy current.
reduce magnetic flux.
increase the magnetic flux.
reduce its efficiency.
Correct answer is A
Laminated iron core means insulating layers glued compact. Now the cores are laminated to reduce Eddy current.
A progressive wave equation is represented by y = a sin(150 πt - πx/4). if the phase differenc...
Vapour is said to be saturated on top of an enclosed liquid if _________ ...
Which of the units of the following physical quantities are derived? I. Area II. Thrust III. Pres...
A charge of 10 C is transferred across a potential difference of 220 V. Determine the work done. ...
Which of the following statements is not correct? Isotopes of an element have ...