Two wires of same material of length l and 2l
WebMar 30, 2024 · The resistance of a wire depends on its length, area, and metal resistivity. Resistance is calculated by: ρ R = ρ l A. where l is its length, A area, and ρ is its metal … WebApr 11, 2024 · EXPLANATION: As both the wires are made of copper, so both will have the same resistivity (ρ). The area of cross-section (A) is the same for both the wire. Given that; Length of wire A (l A) = l. Length of wire B (l B) = 2 l. R e s i s t a n c e ( R) = ρ l A. R e s i s t a n c e o f w i r e A ( R A) = ρ l A A = ρ l A = R.
Two wires of same material of length l and 2l
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Web6. Two wires of same material have length L and 2L and cross –sectional areas 4A and A respectively. The ratio of their specific resistance would be A. 1 : 2 B. 8 : 1 C. 1 : 8 D. 1 : 1 … WebTwo wires of same diameter of the same material having the length l and 2l. If the force F is applied on each, the ratio of the work done in the two wires will be (1) 1 : 2 (2) 1 : 4 (3) 2 : …
WebApr 13, 2024 · As both the wires are made up of same material, so their new wire is same. Let the extension produced in second wire be l'. Then, X = 2F/π(2r)^2 / l'/2L = FL / πr^2 l' -----(equation 2) Equating (1) and (2), we get. FL / πr^2 l = FL / πr^2 l' => l' = l. So, the ratio of elongation in the two wires is 1:1. WebApr 29, 2024 · Two vibrating strings of the same material but of lengths L and 2L have radii 2r and r respectively. They are stretched under the same tension. Both the strings vibrate in their fundamental modes. The one of length L with frequency V 1 and the other with frequency V 2. The ratio V 1 /V 2 is given by (2000) (A) 2 (B) 4 (C) 8 (D) 1
WebApr 26, 2024 · Click here 👆 to get an answer to your question ️ Two wires of same diameter of the same material having ... 27.04.2024 Physics Secondary School answered Two … WebFeb 22, 2024 · EXPLANATION: As both wires, A and B are of the same material, so their resistivity ( ρ) will be the same. Let’s say the length of wire A is l and the cross-sectional area is A. Given that; Cross-sectional area of B (A B) = 2 × Cross-sectional are of A (A A) = 2 × A = 2 A. Length of wire B (l B) = Length of wire A (l A) = l.
WebTwo wires A and B of the same material and length L and 2L have r. Two wires A and B of the same material and length L and 2L have radius r and 2r respectively. The ratio of their specific resistance will be: A. 1: 1. B. 1: 2. C. 1: 4. D. 1: 8. Please scroll down to see the correct answer and solution guide.
WebMar 31,2024 - A wire of length 2L, is made by joining two wires A and B of same length but different radii r and 2r and made of the same material. It is vibrating at a frequency such that the joint of the two wires forms a node. If the number of antinodes in wire A is p and that in B is q then the ratio p: q is:a)1 : 2b)3: 5c)1: 4d)4 : 9Correct answer is option 'A'. migration form ahsecWeb⇒ Two wires A and B of the same material and length l and 2l have radius r and 2r respectively. The ratio of their specific resistance will be 1 : 1 1 : 2 1 : 4 1 : 8 ⇒ Four 100 W … new versatile swather seatWebTwo wires made of same material having lengths L and 2L and radii r and 2r respectively are clamped rigidly at their one end and are stretched by applying forces equal to F and 2F … migration for employmentWebDec 11, 2024 · two wires of same material have lengths L, 2L and radii 2r,r. Equal weight are applied on them. Find the ratio of elongation produced in two wires - 14088133 migration foodWebTwo wire of copper have length `L` and `2L` and cross section `2A` and A respectively .The ratio of their specific resistance would be would be new version bingWebTwo wires of length l, radius r and length 2 l, radius 2 r respectively having same young's modulus are hung with a weight mg as shown in figure. The net elongation isA. 2 mgl /3 π … migration formatWebSep 9, 2024 · Two deuterium (21H) nuclei each have initial kinet... The diameter of a wire ST varies linearly with dis... The maximum pressure that granite rock can withsta... Two wires … migration firefox edge