Consider two conducting wires of same length and material, one wire is solid with radius r. The other is a hollow tube of outer radius 2r while inner r. The ratio of resistance of the two wires will be -

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of radius 1.0 mm. Conductor B is a hollow tube of outside radius 2.2 mm and inside radius 1.0 mm. What is the resistance rate R_A//R_B measured between their ends?

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1 mm . Conductor B is a hollow tube of outer diameter 2 mm and inner diameter 1mm . Find the ratio of resistance R_(A) to R_(B) .

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1 mm. Conductor B is a hollow tube of outer diameter 2 mm and inner diameter 1mm. Find the ratio of resistance R_(A) to R_(B) .

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1 mm . Conductor B is a hollow tube of outer diameter 2 mm and inner diameter 1mm . Find the ratio of resistance R_(A) to R_(B) .

Two conductors arc made of the same material and have the same length. Conductor A is a solid wire of diameter 1 mm. Conductor B is a holJow tube of outer diameter 2 mm and inner diameter lrrun. Find the ratio of resistance R_(A)" to " R_(B) .

. Two wires of the same radius and material have their lengths in the ratio 1 : 2. If these are stretched by the same force the strain produced in the two wires will be in the ratio