Problem Set 2 Due: see website for due date
... a. If q is a positive charge, does it speed up or slow down inside the capacitor? Answer this question twice: (i) Using the concept of force. (ii) Using the concept of energy. b. Repeat part (a) if q is negative charge. Question B: As shown in the figure, two protons are launched with the same speed ...
... a. If q is a positive charge, does it speed up or slow down inside the capacitor? Answer this question twice: (i) Using the concept of force. (ii) Using the concept of energy. b. Repeat part (a) if q is negative charge. Question B: As shown in the figure, two protons are launched with the same speed ...
Chapter 16 & 17 - Conroe High School
... The field lines indicate the direction of the electric field; the field points in the direction tangent to the field line at any point The Lines are drawn so that the magnitude of the electric field, E, is proportional to the number of lines crossing unit areas perpendicular to the lines. The closer ...
... The field lines indicate the direction of the electric field; the field points in the direction tangent to the field line at any point The Lines are drawn so that the magnitude of the electric field, E, is proportional to the number of lines crossing unit areas perpendicular to the lines. The closer ...
Electric Fields and Forces
... localize near the rod, while the electrons are repelled to the other side of the sphere. A wire can then be brought in contact with the negative side and allowed to touch the GROUND. The electrons will always move towards a more massive objects to increase separation from other electrons, leaving a ...
... localize near the rod, while the electrons are repelled to the other side of the sphere. A wire can then be brought in contact with the negative side and allowed to touch the GROUND. The electrons will always move towards a more massive objects to increase separation from other electrons, leaving a ...
Chapter 16 - Seattle Central College
... If we plug in a positive number Q for positive charges, and a negative number Q for negative charges, the force will come out to be repulsive between the charges when it is a positive number, and attractive when it is a negative number. ...
... If we plug in a positive number Q for positive charges, and a negative number Q for negative charges, the force will come out to be repulsive between the charges when it is a positive number, and attractive when it is a negative number. ...
16 Part 2
... 1. Field lines indicate the direction of the field; the field is tangent to the line. 2. The magnitude of the field is proportional to the density of the lines. 3. Field lines start on positive charges and end on negative charges; the number is proportional to the magnitude of the charge. ...
... 1. Field lines indicate the direction of the field; the field is tangent to the line. 2. The magnitude of the field is proportional to the density of the lines. 3. Field lines start on positive charges and end on negative charges; the number is proportional to the magnitude of the charge. ...
Course Schedule, Syllabus and Grading Policy
... the course will first introduces the student to the basic concepts in vectors and vector calculus including the curl , divergence , gradient in Cartesian, cylindrical and spherical coordinates, the divergence Theorem, Stokes Theorem, vector line integrals, surface integrals will also be discussed. T ...
... the course will first introduces the student to the basic concepts in vectors and vector calculus including the curl , divergence , gradient in Cartesian, cylindrical and spherical coordinates, the divergence Theorem, Stokes Theorem, vector line integrals, surface integrals will also be discussed. T ...
Week3-Week4. - WordPress.com
... the scalar multiplication of the magnitudes of charges and inversely proportional to the square of the distances between them. • If the two charges have the same sign, the electrostatic force between them is repulsive; if they have different sign, the force between them is attractive. ...
... the scalar multiplication of the magnitudes of charges and inversely proportional to the square of the distances between them. • If the two charges have the same sign, the electrostatic force between them is repulsive; if they have different sign, the force between them is attractive. ...
Phy 211: General Physics I
... 2. According to Gauss’ Law, the total electric flux through any closed (“Gaussian”) surface is equal to the enclosed charge (Qenclosed) divided by the permittivity of free space (eo): qenclosed FE= Ei Ai= or, ...
... 2. According to Gauss’ Law, the total electric flux through any closed (“Gaussian”) surface is equal to the enclosed charge (Qenclosed) divided by the permittivity of free space (eo): qenclosed FE= Ei Ai= or, ...
21. If an electric field is given by 10i + 3j + 4k calculate the electric
... 16. A short dipole is placed along x-axis with centre at origin. The electric field at a point P, which is at a distance r from origin such that OP makes angle 45o with x-axis, is directed along a direction making ...
... 16. A short dipole is placed along x-axis with centre at origin. The electric field at a point P, which is at a distance r from origin such that OP makes angle 45o with x-axis, is directed along a direction making ...
File
... • Electric fields are created all around us by electric appliances, lightning, and even static electricity. • These stray electric fields can interfere with the operation of computers and other sensitive electronics. • Many electrical devices and wires that connect them are enclosed in conducting me ...
... • Electric fields are created all around us by electric appliances, lightning, and even static electricity. • These stray electric fields can interfere with the operation of computers and other sensitive electronics. • Many electrical devices and wires that connect them are enclosed in conducting me ...
Problem 1 and is oriented in such a y E
... absent. At the moment of time t = 0 the particle has zero velocity and is located at r0 = (x0 , y0 , z0 ). Find r(t) for t > 0. [3 points] Problem 5. Consider a mixed 4-tensor T αβ . Show that T αα is a 4-scalar (remember that summation is presumed over the repeated indices). Note that T αβ transfor ...
... absent. At the moment of time t = 0 the particle has zero velocity and is located at r0 = (x0 , y0 , z0 ). Find r(t) for t > 0. [3 points] Problem 5. Consider a mixed 4-tensor T αβ . Show that T αα is a 4-scalar (remember that summation is presumed over the repeated indices). Note that T αβ transfor ...
Exam 1 Solutions
... The only way for the forces to balance is if q1 and q2 have the same sign charge, and the charge placed at the origin has the opposite sign. Let’s assume that q1 and q2 are both positive, and q3 is negative. Then the forces on the third particle are: | q3 q2 | xˆ a2 |q q | F31 K 3 21 xˆ 4a ...
... The only way for the forces to balance is if q1 and q2 have the same sign charge, and the charge placed at the origin has the opposite sign. Let’s assume that q1 and q2 are both positive, and q3 is negative. Then the forces on the third particle are: | q3 q2 | xˆ a2 |q q | F31 K 3 21 xˆ 4a ...
Electrostatics
Electrostatics is a branch of physics that deals with the phenomena and properties of stationary or slow-moving electric charges with no acceleration.Since classical physics, it has been known that some materials such as amber attract lightweight particles after rubbing. The Greek word for amber, ήλεκτρον electron, was the source of the word 'electricity'. Electrostatic phenomena arise from the forces that electric charges exert on each other. Such forces are described by Coulomb's law.Even though electrostatically induced forces seem to be rather weak, the electrostatic force between e.g. an electron and a proton, that together make up a hydrogen atom, is about 36 orders of magnitude stronger than the gravitational force acting between them.There are many examples of electrostatic phenomena, from those as simple as the attraction of the plastic wrap to your hand after you remove it from a package, and the attraction of paper to a charged scale, to the apparently spontaneous explosion of grain silos, the damage of electronic components during manufacturing, and the operation of photocopiers. Electrostatics involves the buildup of charge on the surface of objects due to contact with other surfaces. Although charge exchange happens whenever any two surfaces contact and separate, the effects of charge exchange are usually only noticed when at least one of the surfaces has a high resistance to electrical flow. This is because the charges that transfer to or from the highly resistive surface are more or less trapped there for a long enough time for their effects to be observed. These charges then remain on the object until they either bleed off to ground or are quickly neutralized by a discharge: e.g., the familiar phenomenon of a static 'shock' is caused by the neutralization of charge built up in the body from contact with insulated surfaces.