Wire A and B are made of the same material and have the same length. However, the diameter of wire A is thrice the diameter of wire B. Wire A has a resistance of 12.0Ω. What is the resistance of wire B?
Q: You are working at a company that manufactures electrical wire. Gold is the most ductile of all…
A: resistance, R=ρlA where, ρ=resistivity of gold=2.44×10-8Ωm l=length of the wire A=surface area of…
Q: Three wires of the same diameter and length are made from three different metals: copper (ρ = 1.7 ×…
A: Given data: The length and diameter of three wires are same The resistivity of materials ρcu = 1.7…
Q: A cylindrical aluminum pipe of length 2.49 m has an inner radius of 2.11 × 10-3 m and an outer…
A:
Q: A certain copper wire has a resistance of 10.0 ohm (Ω). Show the steps in each question. a) At…
A: Given,The resistance is We know,Resistance is directly depends on length as follows,
Q: Nerve impulses are carried along axons, the elongated fibers that transmit neural signals. We can…
A: Given Diameter = 10 μm Specific resistance ρ = 0.5 ohm. meter Length l = 7 mm To Find out…
Q: r” measures temperature by measuring the change in resistance of a conductor. A certain resistance…
A: We know that the relationship between the resistance and temperature is given as Rt= R01+α∆T…
Q: A copper wire has a resistance of 0.500 Ω at 20.0 °C, and an iron wire has a resistance of 0.525 Ω…
A: The resistance of the copper wire at 20.0 °C, The resistance of the iron wire at 20.0 °C,
Q: A length of copper wire has a resistance 24 Ω. The wire is cut into three pieces of equal length,…
A: A length of copper wire,
Q: Two conductors are made of the same material and have the same length. Conductor A is a solid wire…
A: Step 1:Step 2:Step 3:Step 4:
Q: Suppose we have 9 pieces of very fine wire made of tungsten, 0.05 mm in diameter and each 2 meters…
A:
Q: A cylindrical aluminum pipe of length 1.88 m has an inner radius of 1.63 × 10-³ m and an outer…
A:
Q: current of 0.080 A passing through a human body could be fatal. If you accidentally touched a 110 V…
A: Given V = 11O V I = 0.080 A
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: When a potential difference of 12 V is applied to a wire 8.5 m long and 0.41 mm in diameter the…
A: Given : Potential difference, V = 12 V Length, L = 8.5 m ; Diameter, D = 0.41 mm Current, I = 2.8…
Q: What is the resistance of a 6.8 m length of nichrome wire that has a radius of 0.321 mm? How much…
A:
Q: A car headlight filament is made of tungsten and has a cold resistance of 0.350 Ὠ. If the filament…
A:
Q: A power plant is being built that will deliver 400 kW at 67,000 V using an iron cable with a…
A: Given data as per the question Power to deliver =400 kwvoltage =67000 vResistance=0.084ΩArea=0.009…
Q: A metal wire resistance of r is cut into 3 equal parts and then placed together side by side to form…
A: Given: The resistance of the initial length wire is R. The length of each segment is equal.…
Q: Two resistances, one 12 Q and the other 18 Q, are connected in parallel. What is the equivalent…
A: Write a given value of this question. R1=12ΩR2=18Ω
Q: A cylindrical aluminum pipe of length 1.92 m has an inner radius of 1.77 ×10-3 m and an outer radius…
A:
Q: A 0.6 m long wire is stretched to 1.7 m long. What is the percentage change in its resistance? The…
A:
Q: The hot dog cooker described in the chapter heats hot dogs by connecting them to 120 V household…
A: Given: The mass of hot dog is m=60 g. The voltage connected to household electricity is V=120 V.…
Step by step
Solved in 2 steps
- A certain wire has resistance R. Another wire, of the same material, has half the length and half the diameter of the first wire. The resistance of the second wire is: O R/4 O R/2 OR O 2R O 4RFrom the given figure, the current in resistance 6 is i6 = 1.40 A and the resistances are R1 = R2 R3 2.00 ohms, R4 16.0 ohms, R5 = 8.00 ohms, and R6 = 4.00 ohms. What is the current across R2? ww R₂ www R₂ ww R R₂ R₁Two wires, A and B, are made of the same material. The radius of wire A is 1/2 that of wire B; they both have the same length. If wire A has a resistance of 12 Ω, what is the resistance (in Ω's) of wire B? Group of answer choices 48 3 12 24 6
- Currents of approximately 0.06 A can be potentially fatal. Currents in that range can make the heart fibrillate (beat in an uncontrolled manner). The resistance of a dry human body can be approximately 100 k Ω . (a) What voltage can cause 0.06 A through a dry human body? (b) When a human body is wet, the resistance can fall to 100 Ω . What voltage can cause harm to a wet body?What happens to the resistance of a piece of wire if you double its length and halve its radius? Hint: The cross sectional area of a cylindrical wire is A = Tr² Tr2 The new resistance is 4 times the old resistance. The new resistance is 1/4 times the old resistance. The new resistance is 1/8 times the old resistance. The new resistance is 8 times the old resistance.Wire 1 has a resistance of 0.3 ohms. Wire 2 is made of the same material as wire but is three times longer and has a diameter 1.5 times the diameter of wire 1. What is the resistance of wire 2?
- A metal wire of resistance 16 Ω and length L is cut into two pieces of equal length. The two pieces are thenbound together to form a wire of length L/2. What is the value of its new resistance? A) 8 ΩB) 16 ΩC) 1 ΩD) 4 ΩE) 2 ΩA coil of fine copper wire has a resistance of 6.4-Ω and a total mass is 15.1 g. What is the diameter d of the wire and what is its length L? (The density of copper is 8.96 g/cm3.) D= IN MM ?? L= IN M ??A metal wire of resistance R is cut into eight equal pieces that are then placed together side by side to form a new cable with a length equal to one-eight the original length. What is the resistance of this new cable?
- A wire has a resistance of 21.0 Q. It is melted down, and from the same volume of metal a new wire is made that is three times longer than the original wire. What is the resistance of the new wire?Cell membranes contain channels that allow K+ ions to leak out. Consider a channel that has a diameter of 3.00 nm and a length of 14.0 nm. If the channel has a resistance of 20.0 GQ, what is the resistivity p of the solution in the channel? P = ΩmThe given diagram depicts a gold wire and a silver wire that are soldered together and have the same length of 60.0 cm. Both wires have a diameter of 2.00 mm. Compute the equivalent resistance of the combination between the free ends A and B. 40.0 cm A Gold wire (60.0 cm length, diameter 2.00 mm) Silver wire (60.0 cm length, diameter 2.00 mm) B