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which of the following statements are true about semiconductor ?A. silicon doped with electron rich impurity is a type semiconductorB. Silicon doped with an electrons rich impuriy is an n-type semipucoterC. Delocalised electrons increase the conductivity of doped siliconD. An electron vacancy incease the conductivity of n- type semiconductor |
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Answer» Correct Answer - B,C silicon soped with an electron rich ompurity is an n-type semiconductor , Condcity of n- type semiconductor is due to presence of free electron delocalisation of electrons increase the conductivity of deped silicon due to increase in mobility of electron. |
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