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What is the current in the cell phone

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Reference no: EM132591593

A step-down transformer consists of 9000 primary windings and 450 secondary windings. This adaptor is connected to a wall outlet with the potential difference of 120 V. We are charging a cell phone with to total resistance of 2.5 ohm, what is the current in the cell phone?

Reference no: EM132591593

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