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

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?

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

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

If breaking stress of a wire of length L and radius of cross-section r is P N//m^(2) , then breaking stress of wire of same material of length 2 L and radius of cross section (r/2) will be