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 .
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