A wire is 100 cm long and has a resistance of 25 Ω. This wire is cut into five equal parts. What is the resistance of each piece of wire? If the five parts were bundled together what is the resistance of the resulting wire?

Q: A copper wire of length L has a resistance R. The wire is passed through a small metal ring,…

A: Given data: The length of wire is L. The resistance is R.

Q: A circuit calls for a 0.280 mm diameter copper wire to be stretched between two points. You don't…

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Q: A piece of copper wire of resistance R is cut into 3 equal parts. When these three are connected in…

A: Given: The resistance of the copper wire is R. The copper wire cuts into three identical parts.

Q: Three resistors of 15ohms, 6ohms, and 10ohms are connected in parallel with one another. What is the…

A: Given data: Three resistors are connected in parallel R1 = 15 Ω, R2 = 6 Ω and R3 = 10 Ω Required:…

Q: The temperature coefficient of resistivity for the metal gold is 0.0034 (Cº), and for tungsten it is…

A: The temperature coefficient of resistivity for the metal gold is 0.0034C°-1 and for tungsten it is…

Q: Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a…

A: Resistance for a wire can be found from R=ρLA where ρ is the resistivity of material, L is length…

Q: Resistance depends on the size and shape of a conductor. We expect a long wire to have higher…

A: Ans:- Image-1

Q: The four resistors in the figure have an equivalent resistance of 12 2. The resistances are as…

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Q: A lightbulb has a resistance of 280 N when operating with a potential difference of 80 V across it.…

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Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…

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Q: A certain wire has a resistance of 76 N. What is the resistance of a second wire, made of the same…

A: The given data are: R1=76 ΩL2=L4D2=D3

Q: The figure attached shows a circuit that connects four resistors and three batteries. Calculate the…

A: Apply Kirchhoff’s voltage rule in left side loop. Since the resistances are in series, the current…

Q: The figure below is a graph of voltage versus current / obtained when a student was studying…

A: The solution for the graphical method for calculation the resistance can be calculated from the…

Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with…

A: total mass of copper= 0.9 g

Q: A bar (length = 80 cm) with a cross section of (1.5 mm × × 2.0 mm) has a resistance of 0.20 Ω Ω .…

A: The length of the bar is l = 80 cm. The cross sectional area of the bar is A = (1.5mm x 2.0 mm) = 3…

Q: Determine the length of a copper wire that has a area as 7.2 mm². The resistance cross-sectional and…

A: Given data, Cross area is given as, A=7.2 mm2 = 7.2×10-4 m2. Resistance of R=13 Ω. Resistivity of…

Q: If the resistivity of a particular wire is 75.56x10-8 Ω⋅m, the wire is 48.16mm in length, and the…

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Q: 1. What is the current at point b? 2. What is the magnitude of the potential difference (in V)…

A: Given circuit is

Q: A resistor is created using a length of 20 gauge copper wire. What happens to the resistance if the…

A: See below

Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with…

A: Mass of copper (m) = 0.9 g Density of copper (D) = 8920 kgm3Resistivity of copper (ρ) = 1.72×10-8…

Q: esistance depends on the size and shape of a conductor. We expect a long wire to have higher…

A: Given: ρ=12.08*10-8 Ωl = 14.22 mr = 1.33 m

Q: How long is a tungsten wire if it has a diameter of 0.195 x 10-3 m and a resistance of 3.33 k2? The…

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Q: Two cylindrical bars that have the same length of 1.30 m, are welded together in parallel. One bar…

A: Resistance in parallel 1/R = 1/R1 + 1/R2

Q: A conductor of cross-sectional area A, length I, and resistivity p has resistance R. What is the new…

A: Given data:  The original resistance = R New length (L') = 4L New Area (A') = 2A The resistivity of…

Q: A wire with a resistance of 6.6 Q is drawn out through a die so that its new length is 4 times its…

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Q: Given a gold wire and a silver wire that are each 60.0 cm long and have a diameter of 2.00 mm,…

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Q: Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a…

A: Resistance of a wire in terms of its resistivity is given as R=ρLAρ is resistivity of the wireL is…

Q: A copper wire has a diameter 4.75 mm and resistivity 1.6 x 10-8 Ωm. What will be the length of this…

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Q: What happens to the resistance of a piece of wire if you double its length and halve its radius?…

A: Resistance of the wire is directly proportional  to the length of the wire and inversly proportional…

Q: Wire 1 has a resistance of 0.3 ohms. Wire 2 is made of the same material as wire but is three times…

A: Given information:Resistance of the wire 1 = 0.3 ohmLength of wire 1 be “l”The diameter of wire 1 be…

Q: 5 cells are connected in series to form a battery. A light bulb with 4 ohms is connected and the…

A: Solution:-

Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…

A: Let l and d are the length and the diameter of the conductor respectively, σ0 be the conductivity at…

Q: A metal wire of resistance R is cut into eight equal pieces that are then placed together side by…

A: The initial resistance of the wire is given as R. Now there can be two ways to solve this question.…

Q: volume of metal a new wire is made that is three times longer than t original wire. What is the…

A: R= 21 Ω let the initial length and area of cross-section of wire be=> l and A let new wire's…

Q: A resistance thermometer using a platinum wire is used to measure the temperature of a liquid. The…

A: Given data: The resistance is R1=2.42 Ω. The resistance is R2=2.98 Ω The thermal coefficient is…

Q: Resistance

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Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.019 Ω and a…

A: Given data:  Resistance (R) = 0.019 Ω Cross-sectional area (A) = 2.1 × 10-9 m2 Resistivity of gold…