A wire is made of a material with a resis- tivity of 2.97138 x 10-8 2 · m. It has length 2.16443 m and diameter 0.20515 mm. What is the resistance of the wire? Answer in units of N.
Q: A wire has a length of 8.0 m and is made of copper which has a resistivity of 1.7 x 10-8 Ωm. This…
A: The diameter d=0.01m Length L=8.0m To find the resistance of the wire
Q: A 14-gauge copper wire has a cross-section area of 2.081 mm². The resistivity of copper at 20…
A: The initial (20oC) resistance is, R1=ρLA=1.7×10-8 Ωm100 m2.081 mm210-6 m21 mm2=0.817 Ω
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Q: A piece of wire has resistance of 1.25 2. The wire is made of a material with resistivity 8.2x10-7…
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Q: 1.4 The resistance of a wire is given by R = R₁(1+at+ẞt²) where t is the temperature in degrees…
A: Here is the step-by-step explanationStep 1: Calculation of the resistance at 70oC using the given…
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
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Q: An iron wire has a diameter 1.6 mm and resistivity 9.71x 10-8 m. What will be the length of this…
A: Given that-diameter, d= 1.6 mmradius, r= 0.8 mmCross-sectional area, A=πr2=π×0.82 mm2= 2.0096×10-6…
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Q: An aluminum wire with a circular cross-section has a mass of 1.45 g and a resistance of 0.630 Ω. At…
A: Resistance of wire of area of cross section A and length l is given as R= ρl/A.
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: Calculate the resistance of a 1.2 meter copper wire with a cross-sectional area of 1.0 x 10m?.
A: as per our guidelines we are supposed to answer only one question. Kindly repost other questions as…
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
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Q: A wire is made of a material with a resis- tivity of 4.18635 x 10 2. m. It has length 5.78293 m and…
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Q: An iron wire has a diameter 2.45 mm and resistivity 9.71x 10 Om. What will be the length of this…
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Q: A coil of fine copper wire has a resistance of 6.4-Ω and a total mass is 15.1 g. What is the…
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Q: A certain laboratory experiment requires an aluminum wire of length of 35.0 m and a resistance of…
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Q: The resistivity of copper is 1.72E-8 Ω×m. What is the resistance of a copper wire that is 27.5 m…
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Q: At 25°C, the resistance of a segment of gold wire is 59 N. When the wire is placed in a liquid bath,…
A: Given, At (T1)= 25°C resistance of wire is (R1)= 59 ohm. When wire placed in liquid bath( having…
Q: The resistivity of aluminum is 2.82 × 10 -8 n. m. HINT (a) Find the resistance of an aluminum wire…
A: Given data: Resistivity, ρ=2.82×10-8Ω.m Radius of wire, r=1.28 mm=1.28×10-3m Length of wire, l=1.03…
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- 1. Nichrome is a metal alloy that has a resistivity of 108 X 10Q m. a) What is the resistance of a nichrome wire of length 5.00 m and diameter 1.32 mm? b) If the wire in part (a) above is connected to a cell of emf 1.55 volts and it is found that a current of 365 mA flows, what is the Internal resistance of the cell?What is the resistance of Part A A 1.3-m-long gold wire that is 0.30 mm in diameter? Express your answer in ohms. R = ΠΑΣΦ xa Xh Of h √x Vx X <४ IXI X.10n ? a ReviewA wire (of unknown material) is 10 m long with a 0.9 mm diameter and has a resistance of 0.383 Q at room temperature (20 °C). What is its resistance (in Q) at 190 °C? Use the Resistivity Table as needed.
- A gold wire has a length of 23.0 m and a resistance of 4.70 Ω at 20.0°C. Assuming a circular cross-section, what is the wire's diameter (in mm)? The resistivity of gold at 20.0°C is 2.44 ✕ 10−8 Ω · mA 19.5-g sample of nichrome with density 8.400 ✕ 103 kg/m3 is made into a wire 1.45 ✕ 103 m long. If the resistivity of nichrome is 1.000 ✕10−6 Ω · m, what is the resistance of this wire?Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.
- The resistivity of blood is related to its hematocrit, the volume fraction of red blood cells in the blood. A commonly used equation relating the hematocrit h the blood resistivity ρ (in Ω⋅m) is ρ=1.32/(1−h)−0.79. In one experiment, blood filled a graduated cylinder with an inner diameter of 0.90 cm. The resistance of the blood between the 1.0 cm and 2.0 cm marks of the cylinder was measured to be 210 Ω. What was the hematocrit for this blood?51&page=1 What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x 10-8 Q. m, if its length is 10.7 m and its diameter is 0.50 mm? Select one: O A. 6.02 OR. 0.67 OC.0.44 OD. 3.88 OE. 1.74 Next page 601 AM A O G d ENG 4/15/2021In a physics project, you need a wire to electrically heat a cryostat. You decide to create one with materials you have lying around. You find a 29.0-g piece of copper. The resistivity of copper is 1.68 x 10-8 Ω.m, and its density is 8.9 g/cm3. You will need to use all of your copper to create a solid cylindrical wire that has a total resistance of 0.75 Ω.Determine how long your wire will be, and what its diameter will be.