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 Available experiments for General Physics II

The experiments are listed in alphabetical order. Click on the pictures for a larger image. Charge to mass ratio of an electron In this experiment e/m of the electron is determined from the relationship between the electric potential used to accelerate the electron to a given speed, the strength of the magnetic field that influences the electron's motion, and the radius of the circular path which the electron follows.         Download: Charge to mass ratio of Electron.pdf Current Balance In this experiment, the students verify that the force between two wires are proportional to the product of the currents, and estimate the proportionality constant involved.           Download: Current Balance.pdf Diffraction and Interference In this experiment students examine what happens when a plane coherent monochromatic beam of light from a laser is incident on single slits of various widths, and double slits of various widths and separations.           Download: Interference.pdf Electric Field Mapping Using several boards with different conducting patterns and a voltmeter, students trace equipotential lines.             Download: Electric Field Mapping.pdf Electromagnetic Induction In this experiment an emf will be induced in one coil by moving a magnet near the coil. Also, by moving a second coil with a current in it near the first coil, and by changing the current in the second coil.           Download: Electromagnetic Induction.pdf Electrostatics To study charges, the forces they exert on each other, and their flow between materials, both conducting and non-conducting. Many of these tests are similar to ones carried out in the eighteenth century. Most of the observations in this experiment will be qualitative.             Download: Electrostatics.pdf The Human Eye In this experiment, students will learn about lenses and their properties by working with a model of the human eye. Astigmatism, near, and far sightedness are discussed.           Download: Human Eye.pdf Oscillations of a string In this experiment, free and forced oscillations of a string are studied. The free oscillations of a string that is fixed at both ends are investigated by driving the string very weakly with a force that varies sinusoidally with time. It will be assumed that the coupling is so weak that the free vibrations are unaffected by the driving force. The forced vibrations of a string fixed at one end and driven at the other end are also studied.       Download: Oscillations of a string.pdf Oscilloscope and EKG sensor In this lab, the students become familiar with 2 oscilloscopes and EKG sensor. The oscilloscope that you will be using is made by BK Precision. You will also become familiar on the use of the Casptone scope and you will use the EKG sensor in conjunction with the Capstone scope.         Download: Oscilloscope and EKG sensor.pdf RC Circuit This lab is concerned with the characteristics of capacitors and circuits with resistors and capacitors connected in series (RC circuits). The primary focus will be on the response of a RC Circuit to a step voltage and a voltage square wave.           Download: RC Circuit.pdf Resonace Tube This experiment investigates standing sound waves in a tube subject to different boundary conditions. One end of the tube is closed off with a small speaker. The other end is closed with a movable piston which can be used to change the length of the tube. Sinusoidal sound waves are produced by the speaker and detected by a small microphone in the tube. At resonant frequencies of the tube, the sound waves will be enhanced. In a second experiment, a pulse of sound is sent down the tube and then the reflected pulse is examined.     Download: Resonance.pdf RL Circuit This lab is concerned with the characteristics of Inductors and circuits with resistors and Inductors connected in series (RL circuits). The primary focus will be on the response of a RL Circuit to a step voltage and a voltage square wave.         Download: RL Circuit.pdf Snells Law In this experiment students examine Snell’s law and observe refractions of light through various substrates.             Download: Snells's Law.pdf Sonometer In this experiment you will be observing the oscillations of a string. The arrangement of the equipment is similar to a guitar. You will be plucking the string and observing the frequencies using a FFT.           Download: Sonometer.pdf
--> Voltage, Current, and Resistance (Parts I and II) The purpose of this experiment is to learn how voltage and currents are generated and measured in the laboratory, and to investigate how voltage and current are related in resistors. This lab will be completed in two classes.       Download: VoltCurRes1.pdf (Part 1) Download: VoltCurRes2.pdf (Part 2)