In a regulated power supply, two similar 15 V zeners are connected in – McqOptions

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1.	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 ≈í¬©
B.	50 ≈í¬©
C.	25 ≈í¬©
D.	40 ≈í¬©
Answer» C. 25 ≈í¬©

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