In a regulated power supply, two similar 15 V zeners are connected in series. The input voltage is 45 V d.c. If each Zener has a maximum current rating of 300 mA, what should be the value of the series resistance ?
A. 10 O
B. 50 O
C. 25 O
D. 40 O
Related Questions on Regulated DC Power Supply Mcqs
When load current is zero, the Zener current will be_____________?
A. Zero
B. Minimum
C. Maximum
D. None of the above
A Zener regulator _____________ in the power supply?
A. Increases the ripple
B. Decreases the ripple
C. Neither increases nor decreases the ripple
D. Data insufficient
The Zener current will be minimum when_____________?
A. Load current is maximum
B. Load current is minimum
C. Load current is zero
D. None of the above