Iron has a resistivity of 9.71×10° Nm at 20°C. What will the resistivity of Lead when then temperature is increased to 135°C. (Take a as 6.51×10³)
Q: Let's say you have a 20 cm long silicon wire, with a diameter of 4 cm. What current flows through…
A: Write the given values with suitable variables. L=20 cm=0.2 mr=4 cm2=0.02 mV=1000 Vρ=2300 Ω.m Here,…
Q: a) The time rate at which charge flows through the area is defined as the electric current. b) The…
A: a) True , because current is the time rate of flow of charge in unit area. b) False , because the…
Q: 2) a) A 40-m length of copper wire at 20 deg c has a diameter of 0.3 mm. If a potential difference…
A: length of wire l =40 m diameter of wire d =0.3 mm = 0.3 x 10-3 m radius of wire r = d/2 = 0.15 x…
Q: copper conductor of length 15.24 m and diameter 2.05 mm carries a current of 15 A. Find the electric…
A: Given: The length of the conductor is 15.24 m. The diameter of the conductor is 2.05 mm. The current…
Q: Electric field through a copper wire is found to be 0.18 V/m. If the copper wire has 8.46x102…
A: Drift velocity is the average velocity at which electrons move through a conductor under the…
Q: At what temperature will silver have a resistivity that is two times the resistivity of iron at room…
A: The resistivity of silver is calculated as, Rt = R0[1+α(T-T0)] Here, Rt is the resistivity…
Q: 5 Q:- A current of (2 µA) passing through an intrinsic silicon bar has (3 mm) length and (50 × 100…
A: The current is given as, I=2 μA (or) I=2×10-6 A The length of the bar is given as, L=3 mm (or)…
Q: Silicon is a semiconducting metal with a resistivity of 640 . m. HINT (a) Determine the current per…
A: Given value--- resistivity = 640 ohm m. voltage = 4.92 V. length = 1.79 mm. We have to find---…
Q: A metal object having a length (10m), cross section area (0.5 mm?), and resistance (0.52) is…
A:
Q: A temperature-stable resistor is made by connecting a resistor made of silicon in series with one…
A:
Q: A current-carrying gold wire has diameter 6.96 mm. The electric field in the wire is 0.58 V/m. What…
A: Remember that current density through wire is given by: J = sigma*E = I/A sigma = conductivity of…
Q: At what temperature (in Celsius) will aluminum have a resistivity that is three times the…
A:
Q: A conductive wire has a resistivity of (0.649x10-8(Q.m)) at room temperature are (5.8x10-)…
A: Given data: Conductivity of the conducting wire σ=0.649×108 Ω·m-1. Carrier concentration of…
Q: The current passing through a copper wire is I=20 A. The resistivity of copper at room temperature…
A:
Q: Question 5 .... A current of 3.70 A is carried by a 250 m long copper wire of radius 1.25 mm. Assume…
A: current (i) = 3.70 A Length (L) = 250 m radius (r) = 1.25 mm electronic density (n) = 8.47×1028 m-3ρ…
Q: What is the resistivity of a wire if it is subiected to a 2.50 X 102 V/m electric field, and has a…
A:
Q: When a current flows in an aluminum wire of diameter 4.57 mm, the drift speed of the conduction…
A: Given: Diameter, d=4.57 mm, radius r=4.75 mm2=2.285×10-3 m Drift speed ,vd=0.000291 m/s Conduction…
Q: A uniform cross-section of silver has a resistivity of 1.54 x 10-8 2 m at room temperature. For an…
A: Given data: Resistivity of silver (ρ) = 1.54 × 10-8 Ω.m Electric field (E) = 1 Volt/cm Density of…
Q: Nichrome alloy has a resistivity of 110 x 10-6 Ncm. From a roll of nichrome wire of 2.5 mm diameter,…
A: Given values: Resistivity, ρ=110×10-6 Ωcm Radius, r=2.5 mm2=1.25 mm Length, l=1 m
Q: A metal object having a length (10m), cross section area (0.5 mm2), and resistance (0.5N) is…
A:
Q: At what temperature will aluminum have a resistivity that is three times the resistivity copper has…
A: Given data The copper is placed at room temperature ∆t = 20°C. The mathematical formulation for the…
Q: Ql: A conductive wire has a resistivity of (0.649x10-8(2.m):) at room temperature are (5.8x10-)…
A: Given : Conductivity of wire σ =0.649 x 10-8Ω-1m-1Electron densityη =5.8x1028…
Q: A rod of semiconducting material of lenght L=3 m and cross-sectional area A=4.5 mm^2 lies along the…
A: Ohm's law states that the current flowing through a conductor is directly proportional to the…
Q: Q1: A conductive wire has a resistivity of (0.649×10-8(Q.m)') at room temperature are (5.8x10» )…
A: Given- Conductivity σ=0.649×10-8(Ω.m)-1So,Resistivity ρ=1σ=10.649×10-8=1.54×108Ω.m Conduction…
Q: s 1.0 m long and 2.5 mm2 in cross-sectional area. It carries a current of 4.0 A. When a 12.0 V…
A: Given: The length of the wire l=1 m The Area A=2.5 mm2=2.5×10-6 The current (I)=4 A The potential…
Q: A temperature-stable resistor is made by connecting a resistor made of silicon in series with one…
A:
Q: A uniform cross-séction of šilver hås à resistivity of 1.54 × 10-8 2 m at room temperature. For an…
A: Resistivity ρ= 1.54×10-8 Ωm n=5.8*1028 E=1 v/m σ=1ρ=11.54×10-8 Ωm=6.49×107 Ω-1m-1 b. mobility,…
Q: An aluminum wire with a diameter of 0.105 mm has a uniform electric field of 0.235 V/m imposed along…
A:
Q: At what temperature will silver have a resistivity that is four times the resistivity of iron at…
A: resistivity of iron at room temperature = ρt = 9.71 x 10-8 ohm- m resistivity of silver at zero…
Q: Problem 5: A nichrome rod of length LN 58 cm is connected in series (end to end) to a carbon rod of…
A: Resistanace of a material is given as,R= Resistance of the materialL= length of the materialA= Cross…
Q: copper wire has a square cross section 2.3mm on a side. The wire is 4m long and carries a current of…
A: Given side of cross section a = 2.3 mm =2.3×10-3 m Cross sectional area A = a2 = (2.3×10-3)2 =…
Q: Silver at room temperature is found to have a resistivity of 1.59×108 №∙m. If the temperature i…
A: The resistivity which determines the resistance of a material to the flow of electric current will…
Q: Aluminum at 20°C has a resistivity of 2.65×108 m¹ if the temperature is increased to 60°C estimate…
A: The resistivity of a material is an intrinsic property. But it depends on the temperature of the…
Q: 2) Resistivity is a property of a particular material and can be used to calculate the resistance of…
A: Length of cooper wire is L=50 m Cross-sectional area is A=5 mm2 Resistivity of copper is ρ=1.72×10-8…
Q: Q8. If electricity costs 10 Bz per kilowatt-hour, how much does it cost to operate a 220 V air…
A:
Q: A wire is 1.5 m long and 1.1 mm2 in cross-sectional area. It carries a current of 5.9 A when a 2.8 V…
A: Given data: Wire length (L) = 1.5 m Cross-sectional area (A) = 1.1 mm3 = 1.1×10-6 m3 Current (I) =…
Q: The resistivity of pure germanium = 600 x 10-3 m. Calculate the resistance of a cylinder of pure…
A:
Step by step
Solved in 2 steps