as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
please describe the primary function of a transformer
user
the primary function of a transformer is to convert voltage, current, and frequency of an alternating current power supply. it does this by stepping up or down the input voltage to provide a specific output level. transformers can be used to carry power long distances with relatively low losses.
assistant