Answered: How many coulombs of positive charge…

How many coulombs of positive charge are there in 1kg of carbon? Each Carbon atoms has 6 protons and 6 electrons, and 12g of Carbon contain Avogadro's number of atoms.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Number 1 part a b and c 1. The element gold, 797 Au, has a density of 19300kg/m?. (a) How many electrons are there in 15g of gold? (Assume that it is no net charge). (b) If this 15g is given a net charge of 25uC, approximately how many electrons were removed? (c) Approximately what fraction of the total number of electrons were removed?
Calculate the net charge on a substance consisting of a combination of 7.3 * 10^13 protons and 7.6 * 10^13 electrons. The elemental charge is 1.6*10^-19 C.
Some types of molecules that do not possess an intrinsic electric dipole moment can be given one by an external electric field in a process called charge separation, or polarization. In this process, their internal charge distribution becomes distorted by the field, which results in the region of a molecule on the side in the direction of the field gaining a positive net charge and the region on the other side gaining a negative net charge. Both charges have equal magnitudes, and the electric neutrality of the molecule as a whole is maintained. The electric field is said to induce an electric dipole moment in such a molecule. When the field is canceled, the molecule reverts to its unpolarized state and loses its electric dipole moment. The electric behavior of such a molecule can be modeled by a pair of ±1.60×10^−19 C charges connected by a spring with force constant 0.000711 N/m. The spring must be imagined as possessing zero relaxed length so that normally the charges overlap and the…
Some types of molecules that do not possess an intrinsic electric dipole moment can be given one by an external electric field in a process called charge separation, or polarization. In this process, their internal charge distribution becomes distorted by the field, which results in the region of a molecule on the side in the direction of the field gaining a positive net charge and the region on the other side gaining a negative net charge. Both charges have equal magnitudes, and the electric neutrality of the molecule as a whole is maintained. The electric field is said to induce an electric dipole moment in such a molecule. When the field is canceled, the molecule reverts to its unpolarized state and loses its electric dipole moment. The electric behavior of such a molecule can be modeled by a pair of ±1.60×10−19 C±1.60×10−19 C charges connected by a spring with force constant 0.000613 N/m.0.000613 N/m. The spring must be imagined as possessing zero relaxed length so that normally…
Please fill in the blanks. A non-uniformly charged insulating sphere has a volume charge density rho that is expressed as rho equals beta r where beta is a constant, and r is the radius from the center of the sphere. If the, the total charge of the sphere is Q and its maximum radius is R. What is the value for beta?
An object of mass 5 × 10-6 g is placed over a thin positively charged sheet of surface density of charge σ = 4.0 × 10-6C/m2 (figure shown below). Estimate the charge that should be given to this object so that upon release it will not fall down. Calculate the number of electrons that is to be removed to give this charge. How much mass loss is caused by this removal of electrons?
a total charge of 6.3x10^-8 is distributed uniformly throughout a 2.7 radius sphere. Thee volume charge density is: Answer: 7.6x10^-4c/m^3
Suppose a capacitor consists of two coaxial thin cylindrical conductors. The inner cylinder of radius ra has a charge of +Q, while the outer cylinder of radius rp has charge -Q. The electric field E at a radial distance r from the central axis is given by the function: E = aer/ao + B/r + bo %3D where alpha (a), beta (B), ao and bo are constants. Find an expression for its capacitance. First, let us derive the potential difference Vab between the two conductors. The potential difference is related to the electric field by: Vab = | S"Edr= - [ *Edr Calculating the antiderivative or indefinite integral, Vab = (-aage-r/ao + B + bo By definition, the capacitance C is related to the charge and potential difference by: C = Evaluating with the upper and lower limits of integration for Vab, then simplifying: C = Q/( (e-rb/ao - eralao) + B In( ) + bo ( ))
Find the critical value for the charge at the top left corner that makes V< V, if d=5mm. +4C d. A -? B 2d -2C d.
D9.7. A point charge of 4 cos 10*zt µC is located at P,(0, 0, 1.5), whereas -4 cos 10*rt µC is at P_(0, 0, -1.5), both in free space. Find V at P(r=450, 0, p = 0) at t = 15 ns for 0 =: (a) 0°; (b) 90°; (c) 45°. %3D
An insulating sphere with a radius R has a non uniform volume charge density p= Ar . Ifris the radius, what are the Sl units of the constant A? 20-
Two very large, nonconducting plastic sheets, each 10.0 cm thick, carry uniform charge densities σ 1 , σ 2 , σ 3 and σ 4 on their surfaces, as shown in the following figure(Figure 1). These surface charge densities have the values σ 1 = -7.70 μC/ m^2 , σ 2 =5.00μC/ m^2 , σ 3 = 2.70 μC/ m^2 , and σ 4 =4.00μC/ m^2 . Use Gauss's law to find the magnitude and direction of the electric field at the following points, far from the edges of these sheets. Part A What is the magnitude of the electric field at point A , 5.00 cm from the left face of the left-hand sheet? Express your answer to three significant figures and include the appropriate units. Part B What is the direction of the electric field at point A , 5.00 cm from the left face of the left-hand sheet? Part C What is the magnitude of the electric field at point B , 1.25 cm from the inner surface of the right-hand sheet? Express your answer to three significant figures and include the appropriate units. Part D What is the…