Electronic Devices and Circuits - Engineering

Q1:

A d.c. power supply has an open circuit voltage of 100 V. When the full load current is drawn, the output drops to 80 V. The percentage voltage regulation is

A 97.25%

B 75%

C 50%

D 25%

ANS:D - 25%

Regulation = ((Vnoload-Vfullload)/Vfulllode)*100%