question_answer

A zener diode of voltage \[{{V}_{Z}}(=6V)\] is used to maintain a constant voltage across a load resistance \[{{R}_{L}}(=1000\Omega )\] by using a series resistance \[{{R}_{s}}(=100\Omega )\]. If the e.m.f. of source is \[E(=9V),\] what is the power (in watt) being dissipated in Zener diode?

Answer:

(0.144)