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At absolute zero temperature, a crystal of pure germanium
(a)behaves as perfect conductor.
(b)behaves as perfect insulator.
(c)behaves as a semiconductor.
(d)contains no electron.

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Important Questions on Semiconductors
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The potential difference developed across the junction due to migration of majority carriers is called

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Which of the following is NOT a 'donor' impurity?

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Pure silicon should be doped with which of the following impurity atoms to make a -type semiconductor?

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A -type semiconductor is formed

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Bond in -type and -type semiconductor is

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In germanium crystal, a hole is provided by an impurity

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Which of the following is an example of donor impurity?
