Two metallic wires `A and B` (of the same material) are connected in parallel. Wire `A` has length `l` and radius `r` , wire `B` has a length `3 l` and radius `3 r`. Compute the ratio of the total resistance of parallel combination and the resistance of wire `A`.

Two metallic wires A and B are connected in parallel. Wire A has length l and radius r, wire B has a length 2 l and radius 2r. Compute the ratio of the total resistance of parallel combination and the resistance of wire A.

Two metallic wires A and B are connected in parallel, wire A has length L and radius r wire B has a length 2L and radius 2r. Compute the ratio of the total resistance of the parallel combination and resistance of wire A.

Two metallic wires A and B of same material are connected in parallel. Wire A has length l and radius r and wire B has length 2l. Calculate the ratio of the total resistance of parallel combination and the resistance of wire A?

Two wires A and B are made of same material. The wire A has a length l and diameter r while the wire B has a length 2l and diameter r/2. If the two wires are stretched by the same force the elongation in A divided by the elongation in B is

Two wires A and B are made of same material. The wire A has a length l and diameter r while the wire B has a length 2l and diameter r/2. If the two wires are stretched by the same force the elongation in A divided by the elongation in B is

Two wires A and B are made of same material. The wire A has a length l and diameter r while the wire B has a length l and diameter r while the wire B has a length 2l and diameter r/2. If the two wires are stretched by the same force the elongationn in A divided by the elongation in B is

Two resistance wire "A" and "B" of same material are connected in parallel to the mains.The length and diameter of wire "A" are double those of wire "B" . The amounts of heat generated "Q_(A) and "Q_(B)" in "A" and "B" will be-

10 wires (same length, same area, same material) are connected in parallel and each has 1Omega resistance, then the equivalent resistance will be

Two wires A and B of the same material have their lengths in the ratio 5: 3 and diameter in the radius 2:3 . If the resistance of wire A is 15 Omega . find the resistance of wire B

Two wires of the same material and equal length are joined in parallel combination. If one of them has half the thickness of the other and the thinner wire has a resistance of 8 ohms , the resistance of the combination is equal to