There are three copper wires of length and cross-sectional area (L,A),(2L,A/2)(L/2,2A). In which case in the resistance minimum?

Three copper wires of length and cross-sectional areas are (L,A) (2L,(A)/(2)),(L//2,2A) , resistance is

The copper wires of elngths and cross-sectional areas are (l,A), (2l,A/2) and (l/2, 2A). Resistance is minimum in

Three copper wires have lengths and cross-sectional areas of (l and A) ,(2land A / 2) and (l/2 and 2A) . Resistance will be minimum in

Two conducting wires of lenghts l and 2l have the same cross-sectional area.Compare their resistances.

Y is the Young's modulus of the material of a wire of length L and cross-sectional area A. It is stretched through a length l. What is the force constant of the wire?

Lengths and cross-sectional areas of three copper wires are (l, A ), (2l, (A)/(2) ) , ((l)/(2) , 2A ) . Which of these wires has least (minimum) resistance ?

Two wires of same material have lengths, L and 2L and cross-sectional area 4A and A, respectively. The ratio of their resistances would be

The mass of a copper wire of resistance R_(1) and length l_(1) is four times the mass of another copper wire of length l_(2) and resistance R_(2) . If R_(1)=R_(2) , which one of the following is correct ?

The V – I graph for a wire of copper of length L and cross -section area A is shown in the figure below . The slope of the graph will be