Home
Class 12
PHYSICS
[" 9.A material "B" ' has twice the spec...

[" 9.A material "B" ' has twice the specific resistance of 'A: A "],[" circular wire made of "B'" has twice the diameter of a wire "],[" made of "A" .Then for the two wires to have the same "],[" resistance,the ratio "(l_(B))/(l_(A))" of their respective lengths must be "],[[" (a) "1/2," (b) "1/4],[" (c) "2," (d) "1]]

Promotional Banner

Similar Questions

Explore conceptually related problems

Wires A and B have resistivities p_A and p_B . If the diameter of the wire B is twice that of A and the Two wires have same resistance, then (L_b)/(L_A) is

The resistance of a conducting wire is R. Resistance of wire of twice the Iength and twice the diameter is

A certain wire has a resistance R . The resistance of another wire identical with the first except having twice its diameter is

Two wires A and B have equal lengths and are made of the same material. But the diameter of A is twice that of wire B. Then for a given load

Two wires of the same material are given. The first wire is twice as long as the second and has twice the diameter of the second. The resistance of the first will be