What current flows through a 2.90 cm diameter rod of pure silicon that is 15.5 cm long, when 1000 V is applied to it? (Such a rod may be used to make nuclear particle detectors, for example.) The resistivity of pure silicon is 2.30 x 1030. m.
Q: Consider an aluminum wire of diameter 0.700 mm and length 20.0 m. The resistivity of aluminum at…
A:
Q: When 129 V is applied across a wire that is 8.5 m long and has a 0.30 mm radius, the magnitude of…
A:
Q: As part of a class project you are given 0.900 g of nichrome and asked to fabricate a wire with…
A:
Q: A block of carbon is 3.6 cm long and has a square cross-sectional area with sides of 3 cm. A…
A: 1) The required resistance is,
Q: A special copper extension cord has length L = 5.25 m and rectangular cross-section given by…
A:
Q: The current density in a copper wire of diameter 1.02 mm is 1.75x10^5 A/m^2. The number of free…
A: Given that:-Current density, J=1.75×105 A/m2Diameter, D=1.02×10-3 mNo, of free electrons,…
Q: Consider a portion of a cell membrane that has a thickness of 7.50 nm and 1.2 um x 1.2 um in area. A…
A:
Q: Copper has a charge density of 8.5 x 102º electrons per m, and a resistivity of 1.7 × 10¬8 N·m. The…
A: In given problem resistivity of copper is = 1.7*10-8 ohm-meter length of wire (L) =1 meter…
Q: A conducting wire of radius 1 mm is carrying a uniformly distributed current of 50 A. If the…
A: Given: Current, I = 50 Aelectron density, n = 8.1*1028 electrons/m3Radius of wire, r = 1 mm…
Q: A wire of Nichrome is 1.0 m long and 2.5 mm2 in cross-sectional area. It carries a current of 4.0 A.…
A: Given data: Potential difference (V) = 12 V Current (I) = 4 A Length of Nichrome wire (L) = 1.0 m…
Q: How much electrical power is dissipated as heat when 7.00 A flow through a 62.0 m long piece of…
A: Given data The current flowing is given as I = 7 A. The length of the copper wire is given as L =…
Q: What current flows through a 2.54-cm- diameter rod of pure silicon that is 20.0 cm long, when 1.00 ×…
A: According to ohms law the current of the rod is I=VR Here, R is the resistance, V is…
Q: When a current of 0.218 A is present in a wire 20.0 m in length with cross-sectional area 8.19 x 10…
A:
Q: A 220. V potential difference is applied to a space heater that dissipates 440. W during operation.…
A:
Q: Consider a portion of a cell membrane that has a thickness of 7.50 nm and 1.8 pm x 1.8 pm in area. A…
A:
Q: As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with…
A: Given, Mass, m=0.9g Resistance, R=0.803Ω Resistivity, ρ=1.72×10-8Ωm Density, d=8.92×103kg/m3 Used…
Q: A
A: We have to use the drift velocity formula.
Q: What current flows through a 2.58-cm-diameter rod of pure silicon that is 19.0 cm long, when 1.00 ✕…
A: According to question--- Given values--- diameter = 2.58 cm. length of rod = 19 cm. voltage = 103…
Q: A certain laboratory experiment requires an aluminum wire of length of 22.0 m and a resistance of…
A:
Q: Suppose you have a rod of pure silicon with a diameter of 2.79cm and a length of 20.6cm. These rods…
A:
Q: Aluminium is used to make long-distance power lines because it has a low resistivity and is…
A:
Q: A 14-gauge copper wire has a diameter of 1.508 mm. What magnitude current flows in amperes when the…
A:
Solution:
Given Values,
The radius of the rod (r)=
Length of the wire (l)=15.5 cm=0.155 m
The resistivity of pure silicon
Voltage(V)=1000 V
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- A light bulb filament is made of tungsten wire with a resistivity, at room temperature (20°C), of 5.6 x 10-8 Q.m and a temperature coefficient of 0.0045 (°C)-1 The wire is 50 cm long and has a diameter of 45 Um. (a) What is the resistance of the filament at room temperature (20°C)? (Put this answer in the box) (b) What is the resistance of the filament at a typical operating temperature of 3000°C ? Answer:A current I =0.35 A flows through a cylindrical resistor made out of some unknown ceramic-like composite. The radius of the cylindrical body is 4.25 mm while the length is 1.65 cm. If the potential drop over the resistor is 7.54 V, what is the resistivity of the unknown ceramic material? (Answer in Ohm*m)Copper has 8.5×1028 electrons per cubic meter. How many electrons are there in a 50.0 cm length of 12-gauge copper wire (diameter 2.05 mm)? If a current of 2.10 A is flowing in the wire, what is the average drift speed of the electrons along the wire? (There are 6.24×1018 electrons in 1 coulomb of charge.)
- A copper wire of radius a = 0.240 mm has an aluminum jacket of outer radius b = 0.329 mm. There is a current i = 1.57 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10-8Ω·m and 2.75 × 10-8Ω·m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 13.1 V between the ends maintains the current, what is the length in meters of the composite wire?A 2.0 mm diameter iron wire ( resistivity, p = 9.7 x 10-° 2-m) carries a current of 2.5 A. Determine the potential difference across this 20m length of the wire. (A 1.544 v B 0.544 v C) 1.618 v 0.618 vA conductor of uniform radius 1.16 cm carries a current of 2.70 A produced by an electric field of 119 V/m. What is the resistivity of the material?