A 8 V Zener diode along with a series resistance R is connected across a 20V supply (as shown in the figure). If the maximum Zener current is 25 mA, then the minimum value of R will be_______
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A 8 V Zener diode along with a series resistance R is connected across a 20V supply (as shown in the figure). If the maximum Zener current is 25 mA, then the minimum value of R will be_______ .
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1 Answer
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20 – imax R – 8 = 0
imax R = 12
At minimum zener current
At maxm zener current –
imaxR = 12v
25 × 103 R = 12
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