1.

To easily obtain the zener effect ……..

Answer»

thicknessof depletion layer should be INCREASED by increasing the amount of IMPURITY.
thickness of depletion layer should be decreased by increasing the amount of impurity.
diode should be made as small as POSSIBLE.
NONE of the above one.

Solution :thickness of depletion layer should be decreased by increasing the amount of impurity.
If the impurity is high and the width of depletionlayer is too low then the electric field in the reverse bias VOLTAGE becomes stronger in depletion layer.


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