TRANSFORMER - Practice Mode

To avoid over loading To maintain constant voltage To reduce transformer losses To easy distribution of 3 phase 4 wire system

Correct Answer: To easy distribution of 3 phase 4 wire system

Self induced emf Mutually induced emf Statically induced emf Dynamically induced emf

Correct Answer: Mutually induced emf

Ratio test Impulse test Short circuit test Open circuit test

Correct Answer: Short circuit test

To reduce the constant losses To reduce electric interference To increase the quality of sound To increase the efficiency of receivers

Correct Answer: To reduce the constant losses

Minimizes copper use Reduces hysteresis loss Reduces eddy current loss Reduces the space for core

Correct Answer: Minimizes copper use