Coaxial Cable A has twice the length,twice the radius of the inner solid conductor,and twice the radius of the outer cylindrical conducting shell of coaxial Cable B.What is the ratio of the inductance of Cable A to that of Cable B?
C)2

Question

Quizplus · Accepted Answer

The inductance of a coaxial cable is directly proportional to its length and logarithmically proportional to the ratio of the radii. Since Cable A has twice the length and twice the radii of Cable B, the ratio of the inductance of A to B is (2 * 2 * 2) / 2 = 2. Therefore, the answer is C.

Coaxial Cable a Has Twice the Length,twice the Radius of the Inner