Multisim and Ultiboard

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Full wave rectifier


I dont have that much experience with multisim but if someone can help me to explain what is going on in terms of voltage wise , 230v 50hz going in displays 325v rms value which then gets transformed down to 12.1 v showing  17.19v rms.....As it should 


But after rectification it displays + this for dc when theoretically it should be less because of the diodes? and for the oscilloscope showing the measured voltages at 25v .. i have no idea why or where the dc oscilloscope value and the dc measured value has come from ?






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