The Zener diode in the regulator circuit shown in the figure has a Zener voltage of 5.8 Volts and a Zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20 and 30 volts, is _____ mA.Correct answer is '24.2'. Can you explain this answer?

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The Zener diode in the regulator circuit shown in the figure has a Zener voltage of 5.8 Volts and a Zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20 and 30 volts, is _____ mA.

Correct answer is '24.2'. Can you explain this answer?

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The Zener diode in the regulator circuit shown in the figure has a Zen...

Since. V_E = 5.8 V always remains constant, therefore maximum load current
when volts (V) is maximum i.e. = 30V
∴ 30 = 1000 x l_max+ 5.8
∴ l_ax = 24.2 mA

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