Question

13. In a p - n junction, a potential barrier of 250
meV exists across the junction. A hole with a kinetic
energy of 300 meV approaches the junction. Find
the kinetic energy of the hole when it crosses the
junction if the hole approached the junction from
the p - side and
1) 100 meV
2) 50 meV
3) 150 meV
4) 200 meV​

Answer 1

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