Question
Question: A potential barrier of \(0.3V\) exists across a p – n junction if the depletion region is \(1\mu m\)...
A potential barrier of 0.3V exists across a p – n junction if the depletion region is 1μm wide, what is the intensity of electric field in this region?
A
2×105Vm−1
B
3×105Vm−1
C
4×105Vm−1
D
5×105Vm−1
Answer
3×105Vm−1
Explanation
Solution
: Electric field
E=dV=1×10−60.3=3×105Vm−1