Energy transferred tot he transformer each second = - energy transferred away each second, voltage in primary coil x current in primary coil = - voltage in secondary coil x current in secondary coil, Vp x Ip = - Vs x Is, What is the transformers equation? - Vp x Ip = Vs x Is, What type of current to transformer need to work? - Alternating current, How often do the direction of potential difference, and current change? - Many times each second, Name a magnetic material - Iron,

Transformers

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