The hum in a transformer is mainly attributed to

Related MCQs

• Which of the following is the main advantage of an auto-transformer over a two winding transformer ?
• The changes in volume of transformer cooling oil due to variation of atmospheric temperature during day and night is taken care of by which part of transformer
• Which of the following does not change in a transformer ?
• In a transformer the energy is conveyed from primary to secondary
• A transformer core is laminated to
• The degree of mechanical vibrations produced by the laminations of a transformer depends on
• The no-load current drawn by transformer is usually what per cent of the full-load current ?
• The path of a magnetic flux in a transformer should have
• No-load on a transformer is carried out to determine
• The dielectric strength of transformer oil is expected to be