A step-down transformer is used for recharging the batteries ofportable devices. The turns ratioN2/N1 for a particulartransformer used in a CD player is 9:12. Whenused with 120 V (rms) household service, the transformer draws anrms current of 450 mA. Find the following.
a) rms output voltage of the transformer
b) power delivered to the CD player.