Large transformers, when used for some time, become hot and are cooled by circulating

Large transformers, when used for some time, become hot and are cooled by circulating oil. The heating of transformer is due to

Options

(a) Both the hysterisis loss and heating effect of current
(b) Heating effect of current alone
(c) Hysterisis loss alone
(d) None of these

Correct Answer:

Both the hysterisis loss and heating effect of current

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. The oscillation of a body on a smooth horizontal surface is represented by the equation
  2. The internal energy change in a system that has absorbed 2 kcals of heat
  3. The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
  4. A carnot engine working between 300 K and 600 K has a work output of 800J per cycle.
  5. Sodium and copper have work function 2.3 eV and 4.5 eV respectively