A Zener regulator has an input voltage varying between 20 V and 30 V. – McqOptions

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1.	A Zener regulator has an input voltage varying between 20 V and 30 V. The desired regulated voltage is 12 V, while the load varies between 140 Ω and 10 kΩ. The minimum resistance in series with the unregulated source and Zener diode would be
A.	3.3 Ω
B.	6.6 Ω
C.	36.6 Ω
D.	93.3 Ω
Answer» E.

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