Physics for Scientists and Engineers, Vol. 1
6th Edition
ISBN: 9781429201322
Author: Paul A. Tipler, Gene Mosca
Publisher: Macmillan Higher Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 38, Problem 48P
(a)
To determine
The type of impurity used to dope the sample.
(b)
To determine
The concentration of the impurities
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
It is proposed to use the Earth's magnetic field to turn a coil that is carrying an electric current. What
is the maximum torque that can be produced in a rectangular coil of sides 4-m by 3-m, where the
Earths magnetic field has a strength of 31 micro-tesla, and the current in the coil is 6 amperes. Write
your answer in milli-Nm.
The angular momentum of a mass distribution where a differential element particle of mass m with velocity v and located
at position r is defined in the form
L =
dmr x v =
dvpr x v,
p= nm
where n is the number of particles per unit volume and m is its mass. If each of the particles has a charge q, with their
movement they constitute a current
J = nqv
Show that the relationship between the magnetic dipole moment and the angular momentum is
L
m =
2m
where the magnetic moment is defined
m =
dvr x J
A (8.42x10^-1)-m radius cylindrical region contains a uniform electric field along the
cylinder axis. It is increasing uniformly with time. What is the rate of change
(magnitude) of the electric field required to obtain a total displacement current of
(2.047x10^0) nA through a cross section of the region? Provide your answer in
V/(m.s) with three significant figures.
Chapter 38 Solutions
Physics for Scientists and Engineers, Vol. 1
Ch. 38 - Prob. 1PCh. 38 - Prob. 2PCh. 38 - Prob. 3PCh. 38 - Prob. 4PCh. 38 - Prob. 5PCh. 38 - Prob. 6PCh. 38 - Prob. 7PCh. 38 - Prob. 8PCh. 38 - Prob. 9PCh. 38 - Prob. 10P
Ch. 38 - Prob. 11PCh. 38 - Prob. 12PCh. 38 - Prob. 13PCh. 38 - Prob. 14PCh. 38 - Prob. 15PCh. 38 - Prob. 16PCh. 38 - Prob. 17PCh. 38 - Prob. 18PCh. 38 - Prob. 19PCh. 38 - Prob. 20PCh. 38 - Prob. 21PCh. 38 - Prob. 22PCh. 38 - Prob. 23PCh. 38 - Prob. 24PCh. 38 - Prob. 25PCh. 38 - Prob. 26PCh. 38 - Prob. 27PCh. 38 - Prob. 28PCh. 38 - Prob. 29PCh. 38 - Prob. 30PCh. 38 - Prob. 31PCh. 38 - Prob. 32PCh. 38 - Prob. 33PCh. 38 - Prob. 34PCh. 38 - Prob. 35PCh. 38 - Prob. 36PCh. 38 - Prob. 37PCh. 38 - Prob. 38PCh. 38 - Prob. 39PCh. 38 - Prob. 40PCh. 38 - Prob. 41PCh. 38 - Prob. 42PCh. 38 - Prob. 43PCh. 38 - Prob. 44PCh. 38 - Prob. 45PCh. 38 - Prob. 46PCh. 38 - Prob. 47PCh. 38 - Prob. 48PCh. 38 - Prob. 49PCh. 38 - Prob. 50PCh. 38 - Prob. 51PCh. 38 - Prob. 52PCh. 38 - Prob. 53PCh. 38 - Prob. 54PCh. 38 - Prob. 55PCh. 38 - Prob. 56PCh. 38 - Prob. 57PCh. 38 - Prob. 58PCh. 38 - Prob. 59PCh. 38 - Prob. 60PCh. 38 - Prob. 61PCh. 38 - Prob. 62PCh. 38 - Prob. 63PCh. 38 - Prob. 64PCh. 38 - Prob. 65PCh. 38 - Prob. 66PCh. 38 - Prob. 67PCh. 38 - Prob. 68PCh. 38 - Prob. 69PCh. 38 - Prob. 70PCh. 38 - Prob. 71PCh. 38 - Prob. 72PCh. 38 - Prob. 73PCh. 38 - Prob. 74PCh. 38 - Prob. 75PCh. 38 - Prob. 76P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Fig. 1 25. A strip-like conductor with dimensions a b c = 6.0.5.6 mm³ is serving as a Hall-probe. A current of 40 mA is flowing, and the sample is placed in a magnetic field B = 0.8T, as a result a Hall-Votlage of UH = 20 mV is measured. a) What is the charge carrier concentration in the sample? b) What side of the strip-like probe accumulates negative charge if the charge transport is done via electrons? c) What Hall-voltage arises from bipolar conduction, hence when the same amount of electrons and holes contribute to the conduction? Electrons and hole can be assumed to have equal mobility. Fig. 2arrow_forwardA (1.34x10^0)-m radius cylindrical region contains a uniform electric field along the cylinder axis. It is increasing uniformly with time. What is the rate of change (magnitude) of the electric field required to obtain a total displacement current of (3.548x10^0) nA through a cross section of the region? Provide your answer in V/(m.s) with three significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Hide hint for Question 5 What is the displacement current and how it relates to the rate of change of the electric flux?arrow_forwardA sample of paramagnetic salt contains 2.0 × 1024 atomic dipoles each of dipole moment 1.5×10-23 J T-1. The sample is placed under a homogeneous magnetic field of 0.64 T, and cooled to a temperature of 4.2 K. The degree of magnetic saturation achieved is equal to 15%. What is the total dipole moment of the sample for a magnetic field of 0.98 T and a temperature of 2.8 K? (Assume Curie’s law)arrow_forward
- A current of (1.141x10^0) A is used to charge a parallel plate capacitor with square plates. The side of each plate is (6.33x10^1) cm. What is the displacement current through a (1.6770x10^-3) m² area wholly between the capacitor plates and parallel to them? Answer with three significant figures in mA. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer x10arrow_forwardA (7.4020x10^-1)-m radius cylindrical region contains a uniform electric field that is parallel to the axis and is increasing at the rate (3.24x10^12) V/mxs. What is the magnitude of the magnetic field at a point (2.0320x10^-1) m from the axis? Express your result with three significant figures.arrow_forwardConsider a rectangular pipe with dimensions (Ax, Ay, Az), with insulating sidewalls (located at +Ax/2) and conducting top/bottom walls (located at ±Ay/2). Ionized, conducting plasma flows through the pipe with velocity v= v, î, and a uniform magnetic field is imposed: B = B, î. %D (a) What is the potential between the top and bottom walls of the pipe? (b) If the top and bottom walls are connected by a load resistance R, and the plasma has conductivity o, how much current is driven through the load?arrow_forward
- A metal cube with sides of length a is moving at velocity v=voj across a uniform magnetic field B = Bok. The cube is oriented so that four of its edges are parallel to its direction of motion (i.e., the normal vector of two faces are parallel to the direction of motion). (Figure 1) Figure Bo N 1 of 1 Vo Part A Find E, the electric field inside the cube. Express the electric field in terms of vo, Bo, and unit vectors (i, j, and/or k). E = Submit Part B V ΑΣΦ -î Request Answer Now, instead of electrons, suppose that the free charges have positive charge q. Examples include "holes" in semiconductors and positive ions in liquids, each of which act as "conductors" for their free charges. www. J? If one replaces the conducting cube with one that has positive charge carriers, in what direction does the induced electric field point? Submit Request Answerarrow_forwardQ. 1. A square of side L meters lies in the x-y plane in a region where the magnetic field is given by = B₁(21+3j+4k) Tesla, where Bo is constant. The magnitude of flux passing through the square is: (a) 2B L²Wb. (b) 3B L²Wb. (c) 4B L²Wb. (d) √√29B L²Wbarrow_forwardA current of (1.124x10^0) A is used to charge a parallel plate capacitor with square plates. The side of each plate is (6.0160x10^1) cm. What is the displacement current through a (4.31x10^-3) m² area wholly between the capacitor plates and parallel to them? Answer with three significant figures in mA.arrow_forward
- Given: B = 5 * 10-5 T ẑ; σ = 4 (Ohm-meters)-1 (conductivity) a) Assume that seawater is moving at a constant velocity v = v0 ŷ and that the Earth’s magnetic field is along the ẑ-direction. Calculate the electric current density J produced by the magnetic force. Hint: first compute the force per unit charge, F/q, and then use the relationship J = σ(F/q). b) Derive the equation of motion of a cylindrical differential volume element of base area δA and height δh parallelto the direction of J. Assume that seawater has a known volumetric mass density ρ. Show that this equation implies that the velocity satisfies the following differential equation:dvy/dt = vy/τwhere τ is a constant that you should write in terms of B, σ, and ρ.arrow_forwardThe magnetic flux is the number of magnetic lines of forces in a magnetic field. State the difference of Maxwells to the Weber. Give conversion factor.arrow_forwardIn a Hall-effect experiment, a current of 3.0 A sent lengthwise through a conductor 0.83 cm wide, 3.0 cm long, and 9.3 μm thick produces a transverse (across the width) Hall potential difference of 9.7 μV when a magnetic field of 1.5 T is passed perpendicularly through the thickness of the conductor. From these data, find (a) the drift speed of the charge carriers and (b) the number density of charge carriers. (a) Number (b) Number i i ! ! Units Units m/s m^-3 or 1/m^3arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Modern PhysicsPhysicsISBN:9781111794378Author:Raymond A. Serway, Clement J. Moses, Curt A. MoyerPublisher:Cengage Learning
Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning