The chemical used in breather is silica gel.
Answer : The chemical used in breather for transformer should have the quality of cleansing the transformer oil.
Answer : The function of breather in a transformer is to arrest flow of moisture when outside air enters the transformer.
Answer : The thickness of laminations used in a transformer is usually 0.4 mm to 0.5 mm.
Answer : The core used in high frequency transformer is usually air core .
Answer : Silicon steel used in laminations mainly reduces hysteresis loss.