For the zener diode circuit below, find the value of R1 toguarantee that the zen

Question

For the zener diode circuit below, find the value of R1 toguarantee that the zener diode will be operating in its zenerregion for the full range of load resistor, Rl. Zener diode specification: Vz = 6 volts at Iz = 10 maminimum For the zener diode circuit below, find the value of R1 toguarantee that the zener diode will be operating in its zenerregion for the full range of load resistor, Rl. Zener diode specification: V_z = 6 volts at Iz = 10 maminimum Rl can vary from : 470 ohms to an open circuit

Explanation / Answer

Given Izmin=10ma hence IRL wiil be max,so RLshould be min. I IRL=6/470=12.76ma now by KCL ,current through R1=10+12.76=22.76 now by kvl : 15-6=22.76R1 R1=395ohm

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