1.

Which of the following represents correct order of conductivity in solids ?

Answer»

`K_"metals" GT gt K_"INSULATORS" lt K_"semiconductors"`
`K_"metals" lt lt K_"insulators" lt K_"semiconductors"`
`K_"metals" , K_"semiconductors" gt K_"insulators" = zero`
`K_"metals" lt K_"semiconductors" gt K_"insulators" ne zero`

ANSWER :a


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