A sample of n-type germanium (Ge) contains 1023 ionised donors per cubic metre. Estimate the ratio at room temperature of the resistivity of this material to that of high purity intrinsic germanium. [given NeNh=10³ m6 for Ge.] Provide 2 examples of the application of p-n junctions, including explanation of how such junctions play an essential role.
A sample of n-type germanium (Ge) contains 1023 ionised donors per cubic metre. Estimate the ratio at room temperature of the resistivity of this material to that of high purity intrinsic germanium. [given NeNh=10³ m6 for Ge.] Provide 2 examples of the application of p-n junctions, including explanation of how such junctions play an essential role.
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![A. A sample of n-type germanium (Ge) contains 1023 ionised donors per cubic
metre. Estimate the ratio at room temperature of the resistivity of this
material to that of high purity intrinsic germanium.
[given NeNh=10³8 m-6 for Ge.]
B. Provide 2 examples of the application of p-n junctions, including explanation of
how such junctions play an essential role.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F92572cf8-ed26-4227-b4ce-32944a8c203e%2F4dfdbea6-d718-469b-99b4-6ac905b7fabb%2Fkue2ii_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A. A sample of n-type germanium (Ge) contains 1023 ionised donors per cubic
metre. Estimate the ratio at room temperature of the resistivity of this
material to that of high purity intrinsic germanium.
[given NeNh=10³8 m-6 for Ge.]
B. Provide 2 examples of the application of p-n junctions, including explanation of
how such junctions play an essential role.
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