A step - down transformer is used for recharging the batteriesof portable devices. The turns ratio N2 /N1 for a particulartransformer used in a CD player is 1:13. When used with120. - V (rms) household service, the transformer draws an rmscurrent of 250. mA. Find the (a) rms output voltage of thetransformer and (b) power delivered to the CD player.

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Asked Dec 25, 2019
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A step - down transformer is used for recharging the batteries
of portable devices. The turns ratio N2 /N1 for a particular
transformer used in a CD player is 1:13. When used with

120. - V (rms) household service, the transformer draws an rms
current of 250. mA. Find the (a) rms output voltage of the
transformer and (b) power delivered to the CD player.

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Write the expression for output v...

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The relation between ratio ofnumber of turns and the ratio of output and input voltages in a transformer is given by N V, N, и N, ?xV [V, is the output voltage ] V, = N, V, =* × (120 V) Vz = 9.23 V (a) The rms output voltage of the transformer is 9.23 V

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