Two wires of A and B with circular cross section made up of the same material with equal lengths. Suppose RA = 3 RB, then what is the ratio of radius of wire A to that of B?
A. 3
B. √3
C. \(\frac { 1 }{ √3 }\)
D. \(\frac { 1 }{ 3 }\)
Answer:C
Two wires of A and B with circular cross section made up of the same material with equal lengths. Suppose RA = 3 RB, then what is the ratio of radius of wire A to that of B?
A. 3 B. √3 C. \(\frac { 1 }{ √3 }\) D. \(\frac { 1 }{ 3 }\)