Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 27 Aug 2017 My Price 9.00

electronic gadget

Today almost every electronic gadget comes with its own ac adapter. An ac adapter’s main function is to step down the household

such, it can be represented approximately by an ideal transformer in conjunction with some inductances and resistances. This problem illustrates the use of such a model for analysis purposes.

A certain calculator that normally uses four 1.5 V batteries comes with an adapter whose approximate model is shown in Figure

(b) If the output of the adapter is accidentally short-circuited, what are the magnitudes (rms) of the ac current drawn from the wall outlet and through the short circuit?

(c) If a typical load, represented by a 50 Ω resistor, is connected to the output of the adapter, what are the approximate magnitudes (rms values) of the voltage across and the current through the load? (d) If the adapter is treated as a pair of coupled inductors as shown in Figure P17.57b, determine the parameters L1, L2, and M.

 

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Maurice Tutor
(5)
Status NEW Posted 27 Aug 2017 07:08 PM My Price 9.00

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