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Find the value of r for the minimum zener current

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Reference no: EM13291795

A Zener diode specified as follows: VZ=6.8V at IZ=5mA, rZ=20Ω,IZK=0.2mA. The Zener is operated in a regulatorcircuit having a 9V ± 5% supply and a load varying from 2mAto 10mA. Find the value of R for which the minimum Zenercurrent is 21ZK.

Reference no: EM13291795

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