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In a P-n junction, a potential barrier of 250 meV exits across the junction. A hole with kinetic energy of 300 meV approaches the junction. The kinetic energy of the hole when it cross the junction if the hole approached the junction from the p side meV is in mev is

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answer is 50.

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Detailed Solution

After crossing the junction from p-sides n – side the KE of hole = 300 – 250 = 50 meV.

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