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Grade: 12
        
two wires of a and b with circular cross section made up of the same material wih equal lengths.suppose Ra=3Rb,then what is the ratio of the radius of the 
wire a to that of b?
6 months ago

Answers : (1)

Arun
23483 Points
							
 
Dear student 
 
R1 = 3 R2
 
rho * l / A1 = 3 rho * l / A2
 
A2/ A1 = 3
 
(r1)^2 / (r2)^2 = 1/3
 
hence r1 / r2 = 1 / sqrt(3)
6 months ago
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