A zener diode of power rating 1 . 6 W is to be used as voltage regulator. If the zener diode has a breakdown of 8 V and it has to regulate voltage fluctuating between 3 V and 10 V The value of resista

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A zener diode of power rating 1 . 6 W is to be used as voltage regulator. If the zener diode has a breakdown of 8 V and it has to regulate voltage fluctuating between 3 V and 10 V The value of resistance R s for safe operation of diode will be

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Power rating of zener diode = 1 . 6 W From the diagram above, V A - V B = 8 V Power is given by P = V i ⇒ i = 1 . 6 W 8 V = 0 . 2 A Also, V C - V A = 10 V - 8 V = 2 V Thus, using Ohm's law, R s = 2 V 0 . 2 A = 10 Ω

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