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  1. Figure is a 24 Vr stabilized power supply. The zener is 24 V, 600 mW. The minimum zener current is 10 mA. Proper values R and maximum load current are

    2. A.
    320 Ω, 10 mA
    B.
    400 Ω, 15 mA
    C.
    400 Ω, 10 mA
    D.
    320 Ω, 15 mA

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    Answer : Option D

    Explanation :

    Max. zener current = .

    Maximum load current = 25 - 10 = 15 mA.

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