Questions
Which of the following shows correct range of conductivity?
(i) Conductors :
(ii) Insulators :
(iii) Semiconductors :
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a
(i) and (ii) only
b
(i) only
c
(ii) and (iii) only
d
(i), (ii) and (iii)
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Correct option is B
(i) Conductors : 104 to 107ohm−1m−1(ii) Insulators : 10−22 to 10-10ohm−1m−1(iii) Semiconductors : 10−6 to 104ohm−1m−1Similar Questions
Match the items given in Column I with the items given in Column II.
| Column I | Column II | ||
| A. | Mg in solid state | 1. | p -type semiconductor |
| B. | MgCl2 in molten state | 2. | n-type semiconductor |
| C. | Silicon with phosphorus | 3. | Electrolytic conductor |
| D. | Germanium with boron | 4. | Electronic conductor |
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