Power supply o/p function

[disisku_22]

Dear all
can any one explain me the application of the ckt marked in red circle(attached file).
1. why series and parallel combination of resistor used instead of single resistor.
2. why series combination of cpa used instead of single cap.

Thanks
roshni

 

[Homeshpwe]

Series Capacitor for Voltage capacity.


Resistors for decrising the wattagw capacity of used element.