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    voltage of the secondary coil of the transformer

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    The batteries in a portable CD player are recharged by a unit that plugs into a wall socket. Inside the unit is a step-down transformer with a turns ratio of 1:13. The wall socket provides 120 Volts. What voltage does the secondary coil of the transformer provide?

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    Solution Preview

    transformer equation follows:
    V_p/V_s = N_p /N_s

    The ratio of ...

    Solution Summary

    The solution shows how to calculate the voltage output from the secondary coil of the transformer.