The expected answers were:
(a) Circuit diagram
(b) Function(s) of
- C1 - Charges to Vp.
Stores the value of Vp.
Adds it to Vp from transformer to become 2 Vp.
C2 Charges to 2 Vp.
Maintain 2 Vpacross the load.
- Diodes D1 and D2 rectify the transformer output during the half cycle.
- Functions:
As reported, very few candidates who attempted it gave poor responses suggesting ill-preparation.The question was on Power Supply. The question was unpopular and candidates performed poorly in it.
