Which of the following shows correct range of conductivity ? (i)Conductors : `10^4` to `10^7 ohm^(-1) m^(-1)` (ii)insulators : `10^(-6)` to `10^4 ohm^(-1) m^(-1)` (iii)Semiconductors : `10^(-10)` to `10^(-6) ohm^(-1) m^(-1)`A. (i) and (ii)B. (i) onlyC. (ii) and (iii)D. (i), (ii) and (iii)

Which of the following shows correct range of conductivity ? (i)Conduc

1.	Which of the following shows correct range of conductivity ? (i)Conductors : `10^4` to `10^7 ohm^(-1) m^(-1)` (ii)insulators : `10^(-6)` to `10^4 ohm^(-1) m^(-1)` (iii)Semiconductors : `10^(-10)` to `10^(-6) ohm^(-1) m^(-1)`A. (i) and (ii)B. (i) onlyC. (ii) and (iii)D. (i), (ii) and (iii)
Answer» Correct Answer - B Conductors : `10^4` to `10^7 ohm^(-1) m^(-1)` Insulators: `10^(-20)` to `10^(-10) ohm^(-1) m^(-1)` Semiconductors: `10^(-6)` to `10^4 ohm^(-1) m^(-1)`

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Which of the following shows correct range of conductivity ? (i)Conductors : `10^4` to `10^7 ohm^(-1) m^(-1)` (ii)insulators : `10^(-6)` to `10^4 ohm^(-1) m^(-1)` (iii)Semiconductors : `10^(-10)` to `10^(-6) ohm^(-1) m^(-1)`A. (i) and (ii)B. (i) onlyC. (ii) and (iii)D. (i), (ii) and (iii)

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