Hamad Transformers 17/09/2023 A. 0.2 to 0.5 per cent B. 2 to 5 per cent C. 12 to 15 per cent D. 20 to 30 per cent Related Mcqs: In a transformer the energy is conveyed from primary to secondary_________?A. through cooling coil B. through air C. by the flux D. none of the above... The no load current in a transformer lags behind the applied voltage by an angle of about_____________?A. 180° B. 120″ C. 90° D. 75°... The main reason for generation of harmonics in a transformer could be_______________?A. fluctuating load B. poor insulation C. mechanical vibrations D. saturation of core... Which of the following is the most likely source of harmonics in a transformer ?A. poor insulation B. Overload C. loose connections D. Core saturation... Which of the following parts of a transformer is visible from outside ?A. Bushings B. Core C. Primary winding D. Secondary winding...
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