The ration of the radii of two fuse wires of the same material is `1:4` . What is the maximum safe current (in A ) for the second wire , if that for the first wie is 1 A ?

The ratio of the radii of two spheres made of the same material 1:4. The ratio of their thermal capacities is

A fuse wire has a length l and radius r . The maximum safe current through it is

The ratio of the lengths of two uniform wires of the same material of equal diameter is 2 : 3 . If the fre-quency of the fundamental note emitted by the shorted wire is one octave above that of the note emitted by the longer wire, find the ratio of the ten-sions in the wires .

The ratio of the lengths of two wires made of the same metal and of equal radius is 1:2 IF both the wires are stretched by the same force, then the ratio of the strains will be

The ratio of cross section of two wires of same length and material is 1 : 4 . If the applied voltage at two ends of each wire is same, then what is the ratio of heat produced in the two wires?

rho_1 and rho_2 are the resistivities of the materials of two wires of the same dimensions, what will be the equivalent resistvity of the series combination of the two wires?

Ratio of the cross sectional areas of two wires A and B made up of the same material is 1 : 4 . If the Wires are connected across the same potential difference , find the ratio of heat produced in them .

A 5 ampere current is distibuted in three branches. The ratio of the lengths of the wires in the three branches is 1:2:3.Determine the magnitude of current in each branch. The material and the cross sectional area of each wire are the same.

The ratio of the length and diameters of two metallic wires A and B of the same material are 1:2 and 2 :1 respectively. IF both the wires are stretched by the same tension, then the ratio of the elongations of A and B will be

At a junction of three wires , the inward currents through two of the wire are 1 A and 2 A . What is the inward current though the third wire ?