A zener diode of power rating 2 W is to ...

A zener diode of power rating 2 W is to be used as a voltage regulator. If the zener diode has a breakdown of 10 V and it has to regulate voltage fluctuated between 6 V and 14 V, the value of `R_(S)` for safe operation should be _________`Omega.`

10 ohm

20 ohm

30 ohm

40 ohm

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