Physics · Semiconductor Devices

In a Zener diode regulator circuit with input voltage V g = 10 V, Zener voltage V Z = 6.4 V, and load resistance R L = 640 Ω, find the value of the series resistor R s required to provide a Zener test current I ZT = 10 mA.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

180 ohms

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In a Zener diode regulator circuit with input voltage V g = 10 V, Zener voltage V Z = 6.4 V, and load resistance R L = 640 &Omega;, find the value of the series resistor R s required to provide a Zener test current I ZT = 10 mA.