the electrical resistance of mercury column in a cylindrical container is R .the mercury is poured into another cylindrical container with half of the radius of cross section .the resistance of the mercury column is .

 Chapter: Current Electricity

Topic :Resistance of conductor 

Question : 

the electrical resistance of mercury column in a cylindrical container is R .the mercury is poured into another cylindrical container with half of the radius of cross section .the resistance of the mercury column is .

Answer :







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