If no external voltage is applied across 
junction, then there would be
A
no electric field across the junction
B
an electric field pointing from 
-type to 
-type side across the junction
-type to -type side across the junction C
an electric field pointing from 
-type to 
-type side across the junction
-type to -type side across the junction D
a temporary electric field during formation of 
junction that would subsequently disappear
junction that would subsequently disappear
Text Solution
Verified by ExpertsThe correct answer is:
B
Across the 
junction, a barrier potential is developed whose direction is from 
region to 
region.
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