[" If "n," e,"tau" and "m" are repressnt...

[" If "n," e,"tau" and "m" are repressnting electron density,charge,relaxation time and mass of an obe "],[" then the resistance of a wire of leaght and coss-sectional area Ais given by "],[[" (1) "(ml)/(ne^(2)tau A)," (2) "(m tau A)/(ne^(2)/)," (3) "(ne^(2)-4A)/(ml)," (4) "(ne^(2))/(m+1)]]

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[" If "n," e,"tau" and "m" are repressnting electron density,charge,relaxation time and mass of an obe "],[" then the resistance of a wire of leaght and coss-sectional area Ais given by "],[[" (1) "(ml)/(ne^(2)tau A)," (2) "(m tau A)/(ne^(2)/)," (3) "(ne^(2)-4A)/(ml)," (4) "(ne^(2))/(m+1)]]

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