Bridge Rectifiers

The bridge rectifier can produce twice the voltage with the same size transformer

TUF for bridge rectifier is 81.2% compared to 57.4% of center tapped .
Also an ordinary transformer is enough.
PIV across a diode is just Vm.

In bridge type (FWR) rectifiers center tapping transformer are not required so small transformers are used and we will get twice of the out put voltage that of the center tapped FWR.

Bridge rectifiers use transformer that do not employ a center tap, thereby permitting the use of smaller transformers. this saves space, cost and is more effecient.