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Deduce the dimensional formulae of the following physical quantities. (vi) coefficient of thermal conductivity

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Coefficient of thermal conductivity,
`K=("Heat "xx"distance")/("Area"xx"time"xx"temperature difference")`
`[K]=(ML^(2)T^(-2).L)/(L^(2).T.K)`
`[MLT^(-3)K^(-1)]`
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