Advertisements
Advertisements
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.
पर्याय
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.
APPEARS IN
संबंधित प्रश्न
Non-stoichiometric cuprous oxide, Cu2O can be prepared in laboratory. In this oxide, copper to oxygen ratio is slightly less than 2:1. Can you account for the fact that this substance is a p-type semiconductor?
Classify the following as being either a p-type or an n-type semiconductor:
Ge doped with In
Explain the following with suitable examples:
12-16 and 13-15 group compounds.
What type of semiconductor is obtained when
Ge is doped with In?
Solids with conductivities ranging from 104 to 107 ohm-1 m-1 are ____________.
Semiconductors have conductivity (in ohm-1 m-1) in the range of ____________.
Electrical conductivity of semiconductors increases with increase in ____________.
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 ______
