A silver wire is 60 m long and os3 mm in diameter What is its resistance?...
Problem 21.12 A silver wire is 5.2 m long and 0.52 mm in diameter. Part A What is its resistance? Express your answer using two significant figures. R = Ω
A silver wire is 5.4 m long and 0.69 mm in diameter. Part A What is its resistance? Express your answer using two significant figures. R = Ω Previous AnswersRequest Answer Incorrect; Try Again; 5 attempts remaining Provide Feedback it keeps saying my calculations are off this should be a simple formula
A cylindrical tungsten filament 15.0 cm long with a diameter of 1.10 mm is to be used in a machine for which the temperature will range from room temperature (20 ∘C) up to 120 ∘C. It will carry a current of 13.5 A at all temperatures ( Resistivity of tungsten at 20 ∘C is 5.25×10−8Ω⋅m , the temperature coefficient of resistivity at 20 ∘Cis 0.0045 ∘C−1 ) Part B What will be its resistance with that field? Express your answer...
1. 2. 3. Part A What is the resistance of a 1.5-m-long copper wire that is 0.30 mm in diameter? Submit My Answers Give Up Part B What is the resistance of a 10-cm-long piece of iron with a 1.5 mm x 1.5 mm square cross section? Express your answer using two significant figures Submit My Answers Give Up
1. Part A What is the diameter of a 1.00-m length of tungsten wire whose resistance is 0.45 Ω ? Express your answer using two significant figures. 2. Part A What is the maximum instantaneous power dissipated by a 3.4-hp pump connected to a 240-Vrms ac power source? 1 hp = 746 W. Express your answer using two significant figures. Part B What is the maximum current passing through the pump? Express your answer to two significant figures and include...
A metal wire 1.3 mm in diameter and 2.5 m long hangs vertically with a 5.1-kg object suspended from it. Part A If the wire stretches 1.7 mm under the tension, what is the value of Young's modulus for the metal? Express your answer using two significant figures.
A current-carrying gold wire has a diameter of 0.90 mm. The electric field in the wire is 0.51 V/m. Submit Request Answer Part C What is the resistance of a 6.7-m length of this wire? Express your answer using two significant figures. o ACP O O ? R= Submit Request Answer
A gold wire is 4.5 m long and 0.45 mm in diameter. What is its resistance? (The sheet from my professor.) TABLE 21-1 Resistivities Substance Insulators Quartz (fused) Rubber Glass Semiconductors Silicon* Germanium* Conductors Lead Iron Tungsten Aluminum Gold Copper Copper, annealed Silver Resistivity, p (2 m) 7.5 × 1017 1 to 100 x 1013 1 to 10,000 x 109 0.10 to 60 0.001 to 0.5 22 × 10-8 9.71 × 10-8 5.6 x 10-8 2.65 × 10-8 2.20 x...
A diameter of a silver wire is 9.2 mm and length of the wire is 2510 m . a) Find the resistance of the given silver wire? b) What is the voltage drop along its length when it carries 4.0 A? (Note:The resistivity of silver is 1.59 × 10-8 Ω-m).
A 2.0 V potential difference is applied between the ends of a 0.80-mm-diameter, 80-cm-long nichrome wire. Part A What is the current in the wire? Express your answer using two significant figures.