Mapping Electric Field and Potential Lines
Laboratory Objectives: 1) Map the equipotential Lines and the electric field intensity lines for several different charge distributions. 2) Compute the value
Second Physics Laboratory 4B
Laboratory Objectives: 1) Investigate the qualitative response of various circuits by graphing voltage versus current. 2) Determine quantitative values of the resistance o
Lab 04 Capacitors Laboratory Objectives: To investigate various aspects of capacitors. 1) Determine the capacitance of several unknown capacitors. 2) Verify series and parallel combination 3) Find the
Measurement of Charge to Mass Ratio Experiment Laboratory Objectives 1) Observe the deflection of an electron beam in a magnetic field. 2) Determine the electron charge to mass ratio e/m. Equipment: 1
Current Balance
Equipment: Field Balance coil and rectangle Multimeter Milligram Weight Set Connectors and wires Small metric rulers (steel if possible)
Laboratory Objective: To investigate the magnet
Electric Field Question 21.99
Two 1.20 m non-conducting wires meet at a right angle. One segment carries a + 2.50 C of charge distribution uniformly along its length, and the other carries -2.50 C dis
Q 22.30
Two very large, non conducting plastic sheets, each 10.0 cm thick, carrying uniform charge densities 1 2 3 4, on their surfaces, as shown in the figure. These charge densities have the value o
In the figure shown the loop is being pulled to the right at a constant speed v. A constant current I flows in the long wire, in the direction shown. a) Calculate the magnitude of the net emf induced
Q 21.1
Lead Ore
Excess electrons are placed on a small lead sphere with mass 8.00g so that its net charge is -3.20 x 10-9 C. a) Find the number of excess electrons on the sphere. b) How many excess el
Q 26.23) In the circuit shown find a) the current in the 3.00 ohm resistor; b) the unknown emfs 1 2; c) the resistance R. Note that the three currents are given Answers: Apply the junction rule at poi
Laboratory Experiment Basic Circuits Laboratory Objectives: To understand series and parallel circuit connections and how to connect meters for reading current and voltage. Introduction: In a series c
Maxwell's Equations give us the fundamental basis for studying electromagnetic waves. Through is four equations (not really his equations) we will discover that electromagnetic waves are made up of E
Inductance Chapter 30
Take a length of copper wire and wrap it around an oatmeal box to form a coil. Place the coil in an electric circuit, does it behave any differently than the same wire when strai
Gauss's Law In this chapter you will learn an easier method to calculate the electric field provided the source charges have a high degree of symmetry. This new way of finding the electric field is ca
Electric Potential Ch 23
In mechanics, the idea of work and energy made a number of difficult problems much easier to solve. For example the work it takes to push a box across a titled floor with fric
Q C= V
The greater the capacitance C of a capacitor, the greater the magnitude of Q of charge on either conductor for a given potential difference Vab. Hence the greater energy is stored by the capaci
Chapter 25 Current, Resistance and Electromotive Force
Up till now we have basically been studying charges at rest. Now we begin to study charges that move. Fundamentally, electric circuits are a mean
Go over mid term first
Direct Current Circuits Chapter 26
In this chapter we discuss only direct currents used in such circuits as flashlights and automobile circuits. Household appliances use alterna
Electrons produce two kinds of magnetism: Electron spin and electron revolution. Electrons spin about their own axis like tops, and they also "revolve" around the nucleus of the atom. In most common m
In full vector form, the B field, due to a moving point charge, is given by:
0 qv xr ^ B= 4 r 2
v q P
Magnetic Fields It is of fundamental fact that a moving charge causes a magnetic field. Hence a c
Magnitude of B
B=
0 qv sin 4 r 2
What does sine function lead us to think? Note that each point P resides on a circle having constant magnitude B. As the angle decreases between r and v so too does B
In 1831 the Law of Electromagnetic Induction was discovered by Michael Faraday and independently at the same time by Joseph Henry.
Understanding of this fundamental law of nature allows humankind to b
Like charges repel
Unlike charges attract each other
k=
1 4 0
Note this electrical force is for point charges only. With calculus we can figure out more complicated arrangement of charges based on thi