A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N,

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A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N, /N, for a particular transformer used in a DVD player is 1:14. When used with 120-V (rms) household service, the transformer draws an rms current of 31.0 mA from the house outlet. (a) Find the rms output voltage (In V) of the transformer. (b) Find the power (in W) delivered to the DVD player. W (c) What If? What would be the current (In mA) drawn from the house outlet if the transformer had an efficiency of 90.0%, but the power delivered to the Blu-ray player remains the same? MA

Posted Date: Jun 26, 2024 04:27 PM

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A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N,

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