Electronic Devices and Circuits - Engineering

Q1:

The rating of a transformer to deliver 100 watts of D.C. power to a load under half wave rectifier will be nearly

A 1 kVA

B 350 VA

C 175 VA

D 108 VA

ANS:B - 350 VA

TUF of HW rectifier is 0.287. 100/0.287 = 348.43 ~ 350VA.