Learning Goal: Computing the drift velocity Part A An electric current of 20 A is passed...
Learning Goal: Computing the drift velocity
Part A An electric current of 20 A is passed through a copper (Cu) wire of diameter 8.10×10−2 inches . If the number of electrons in 1 cm3 of Cu is 8.7×1022 , what is the magnitude of the drift velocity of the electrons millimeters per second? (I meter=39.3701 inches) Express your answer to two significant figures.
Answer in mm/s
Homework Answers
Add Answer to:
Learning Goal: Computing the drift velocity
Part A An electric current of 20 A is passed...
Estimate the electron drift velocity Express your answer using two significant figures. A 0.62-mm -diameter copper...
Estimate the electron drift velocity Express your answer using two significant figures. A 0.62-mm -diameter copper wire carries a tiny current of 2.5 勺 @a ? m/s Submit Request Answer Part B Estimate the ourrent density Express your answer using two significant figures A/㎡ Submit Request Answer PartC Estimate the electric field in the wire. Express your answer using two significant figures V/m
A 1.4 Times 10^-3 V/m electric field creates a 5.5 Times 10^17 electrons/s current in a...
A 1.4 Times 10^-3 V/m electric field creates a 5.5 Times 10^17 electrons/s current in a 1.5-mm-diameter aluminum wire. What is the drift speed? Express your answer using two significant figures. What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures.
A copper wire has a diameter of 1.350 mm. What magnitude of current flows when the...
A copper wire has a diameter of 1.350 mm. What magnitude of current flows when the drift velocity is 3.09 mm/s? Take the density of copper to be 8.92 g/cm3. Give your answer in Amperes.
Learning Goal: Examine the dependence of resistivity and resistance of a wire on temperature and how...
Learning Goal: Examine the dependence of resistivity and resistance of a wire on temperature and how it affects the potential difference across the terminals of the wire. Introduction: A current of 65 milli-amperes (mA) flows through a wire of length L= 1.7 meters long and diameter of d= 1.15 millimeters at a temperature of T0= 20 °C; the wire's resistivity at this temperature is ρ0= 5.33×10−8 Ω ∙ m. The temperature coefficient of resistivity of the material is α= 4.6×10−3/C°....
1. Part A What is the diameter of a 1.00-m length of tungsten wire whose resistance...
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 metallic wire has a diameter of 4.12mm. When the current in the wire is 8.00A,...
A metallic wire has a diameter of 4.12mm. When the current in the wire is 8.00A, the drift velocity is 5.40×10−5m/s. What is the density of free electrons in the metal? Express your answer numerically in m−3 to two significant figures.
plz keep in mind sig figures :) A 0.70-mm-diameter copper wire carries a tiny current of...
plz keep in mind sig figures :)
A 0.70-mm-diameter copper wire carries a tiny current of 2.6 uA . The molar mass of copper is 63.5 g/mole and its density is 8900 kg/m' NA = 6.02 x 1023 Part A Estimate the electron drift velocity. Assume one free electron per atom. Express your answer to two significant figures and include the appropriate units. uA ? vd = Value Units
Learning Goal: To learn to apply the concept of current density and Kirchhoff's junction rule 11...
Learning Goal: To learn to apply the concept of current density and Kirchhoff's junction rule 11 Review Constants The information about the magnitudes of the current density and the diameters for wires 1 2 3 and 4 is given in the table. Some of the values are unknown Wire Current density (A/mm) Diameter ( mm) Total Current (A) 1 1.6 20 722 Consider a junction of five wires, as shown in the figure The arrows indicate the direction of current...
Part A Learning Goal: To calculate the normal and tangential components of the acceleration of an...
Part A Learning Goal: To calculate the normal and tangential components of the acceleration of an object along a given path. A particle is traveling along the path y(x) = 0.3x2, as shown in (Figure 1), where y is in meters when x is in meters. When 3 = 5 m, the particle's velocity is v = 15 m/s and the magnitude of its acceleration is a = 11 m/s2 Determine the normal and tangential components of the acceleration What...
A 0.300-mm-diameter silver wire carries a 10.0 mA current. Part A What is the electric field...
A 0.300-mm-diameter silver wire carries a 10.0 mA current. Part A What is the electric field in the wire? Express your answer with the appropriate units. Part B What is the electron drift speed in the wire? Express your answer with the appropriate units.
Estimate the electron drift velocity Express your answer using two significant figures. A 0.62-mm -diameter copper wire carries a tiny current of 2.5 勺 @a ? m/s Submit Request Answer Part B Estimate the ourrent density Express your answer using two significant figures A/㎡ Submit Request Answer PartC Estimate the electric field in the wire. Express your answer using two significant figures V/m
A 1.4 Times 10^-3 V/m electric field creates a 5.5 Times 10^17 electrons/s current in a 1.5-mm-diameter aluminum wire. What is the drift speed? Express your answer using two significant figures. What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures.
plz keep in mind sig figures :)
A 0.70-mm-diameter copper wire carries a tiny current of 2.6 uA . The molar mass of copper is 63.5 g/mole and its density is 8900 kg/m' NA = 6.02 x 1023 Part A Estimate the electron drift velocity. Assume one free electron per atom. Express your answer to two significant figures and include the appropriate units. uA ? vd = Value Units
Learning Goal: To learn to apply the concept of current density and Kirchhoff's junction rule 11 Review Constants The information about the magnitudes of the current density and the diameters for wires 1 2 3 and 4 is given in the table. Some of the values are unknown Wire Current density (A/mm) Diameter ( mm) Total Current (A) 1 1.6 20 722 Consider a junction of five wires, as shown in the figure The arrows indicate the direction of current...
Part A Learning Goal: To calculate the normal and tangential components of the acceleration of an object along a given path. A particle is traveling along the path y(x) = 0.3x2, as shown in (Figure 1), where y is in meters when x is in meters. When 3 = 5 m, the particle's velocity is v = 15 m/s and the magnitude of its acceleration is a = 11 m/s2 Determine the normal and tangential components of the acceleration What...
Most questions answered within 3 hours.
-
Carbon disulfide is prepared by heating sulfur and charcoal. The
chemical equation is
S2(g)+C(s)−⇀↽−CS2(g) Kc=9.40 at...
asked 1 minute ago -
complete the problem and solution paragraph below, include 2-3
causes and 2-3 solutions for them.
remember...
asked 3 minutes ago -
I was looking for help with a computer science c programming
class. not c++
This program...
asked 27 minutes ago -
Albinism is an autosomal recessive condition characterized by
absence of melanin pigment from the skin, eye...
asked 17 minutes ago -
Suppose you're looking at a physics example online, and come
across this expression in the middle...
asked 25 minutes ago -
Compile a list (7 or more) of other commands useful for
navigating or manipulating the UNIX/Linux...
asked 34 minutes ago -
How many grams of PbBr2 will precipitate when excess CrBr3
solution is added to 61.0 mL...
asked 37 minutes ago -
If I was given the address of 134.15.0.0/16 from my ISP and I
wanted to use...
asked 42 minutes ago -
What is the pH of the solution that results of dissolving 1.74g
of sodium hydroxide in...
asked 45 minutes ago -
Given a standardized normal distribution (with μ = 0 and a σ =
1), what is...
asked 1 hour ago -
Given the following information:
acetic acid
CH3COOH
Ka = 1.8×10-5
triethylamine
(C2H5)3N
Kb = 5.2×10-4
(1)...
asked 1 hour ago -
Potassium permanganate(KMNO4)is has a solubility of 6.4 g/ 100 g
of water at 20ºC, and 250...
asked 1 hour ago