A) 0 mA
B) 5mA
C) 10mA
D) 15mA
E) 20mA
Correct Answer: B
Solution :
Voltage across zener diode will always constant. \[V=IR\] \[\therefore \] \[5=I\times {{10}^{3}}\] Or \[I=\frac{5}{{{10}^{3}}}\] Or \[I=5\times {{10}^{-3}}\] Or \[I=5\,mA\]
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