Two similar wires of equal lengths having diameters in the ratio of 1:2 are joined in series. Compare the amounts of heat produced in the wires if a stedy current flows through them.

Two wires have diameters in the ratio 1:2 , length in the ratio 3:4 and young's moduli in the ratio 2:3. What is the ratio of elongations produced in the wires if they are subjected to the same streching force ?

Two wires of same material of unchanged lengths in the ratio 2: 3 and diameters in the ratio 3 : 2 are stretched with equal forces . What is the ratio of their elongation produced ?

Two wires of the same material have their lengths in the ratio 3:2 , diameters in the ratio 3:2 and streching forces in the ratio 3:4 . What is the ratio of their extension

Two bulbs, one of 100W and another of 50 W are connected in series to the mains. The ratio of currents through them is