A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N₂/N₁ 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 33.0 mA from the house outlet. (a) Find the rms output voltage of the transformer V (b) Find the power delivered to the DVD player.
A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N₂/N₁ 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 33.0 mA from the house outlet. (a) Find the rms output voltage of the transformer V (b) Find the power delivered to the DVD player.
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Transcribed Image Text:A step-down transformer is used for recharging the batteries of portable electronic devices. The turns ratio N₂/N₁ 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 33.0 mA from the house outlet.
(a) Find the rms output voltage of the transformer
v
(b) Find the power delivered to the DVD player.
W
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