A zener diode is to be used as a voltage regulator. Identify the correct set up.

A zener diode of rating 100 mW to be used as a voltage regulator if the zener ddiode has the breakdwon voltage of 5 V and it has to regulate should be the value of R_(S ) for safe operation

What is Zener diode? How is it used as voltage regulator?

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.