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प्रश्न
Assertion: Semiconductors are solids with conductivities in the intermediate range from 10–6 – 104 ohm–1m–1.
Reason: Intermediate conductivity in semiconductor is due to partially filled valence band.
विकल्प
Assertion and reason both are correct statements and reason is correct explanation for assertion.
Assertion and reason both are correct statements but reason is not correct explanation for assertion.
Assertion is correct statement but reason is wrong statement.
Assertion is wrong statement but reason is correct statement.
उत्तर
Assertion is correct statement but reason is wrong statement.
Explanation:
Conductance of semiconductors lies between metals and insulators, i.e., in the range of 10–6 – 104 Ohm–1 m–1.
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संबंधित प्रश्न
What is a semiconductor
Describe the two main types of semiconductors and contrast their conduction mechanism.
Classify the following as being either a p-type or an n-type semiconductor:
B doped with Si.
What type of semiconductor is obtained when
Ge is doped with In?
What type of semiconductor is obtained when
Si is doped with P?
Semiconductors have conductivity (in ohm-1 m-1) in the range of ____________.
Which kind of defects are introduced by doping?
Which of the following statements are true about semiconductors?
(i) Silicon doped with electron-rich impurity is a p-type semiconductor.
(ii) Silicon doped with an electron-rich impurity is an n-type semiconductor.
(iii) Delocalised electrons increase the conductivity of doped silicon.
(iv) An electron vacancy increases the conductivity of n-type semiconductor.
Why does the electrical conductivity of semiconductors increase with rise in temperature?
Silicon is a/an ______