[" Two magnets have their lengths in the ratio "2:3" and their pole strengths in the ratio "3.4],[" The ratio of their magnetic moments is "]

Two magnets have their lengths in the ration 2:3 and their pole strength in the ration 3:4 . The ratio of their magnetic moment is

Two copper wires have their masses in the ratio 2 : 3 and the lengths in the ratio 3 : 4. The ratio of the resistances is

Choose correct alternative. Two wires have their lengths in the ratio 5:3 and radii in the ratio 1: 2 . Ratio of their resistivity is 3: 4 . The ratio of resistance is

The magnetic moment is 5Am^2 and the pole strength is 25 A.m What is the length of the magnet ?

Two bar magnets of magnetic moments 12Am^(2) and 10Am^(2) are placed one over the other .First with their similar poles in contact after unlike poles in contact.The ratio of their resultant magnetic moments is