5.2. Background information: Initial hypothes i s: Magnetic field strength will be proportional to the strength of the current running through a straight wire and inversely proportional to the distance from the wire. (The direction of the magnetic field may also be altered.) Sample Lab Conclusion Paragraph. Introduction All magnetic fields arise from the motion of electric charges. 4. Therefore, a current-carrying wire will experience a force when placed in a magnetic field. As with all physics laboratory experiments, one must be careful to use the appropriate units. 8, is the experimental value of Bh in agreement with the NGDC value? The apparatus was set up as shown in the diagram, with the magnet on the scale. Magnetic fields of astronomical objects are measured spectroscopically. The field is tangent to the magnetic field line. It was ensured that … ! The purpose of this lab is to investigate magnetic fields around simple geometric configurations of wires carrying current. Lab Magnetic Field in a Solenoid. Apparatus: 2 round magnets, an electronic balance, meter ruler, retort stand Procedure: 1. Lab Report 2: Based on the figure, in which direction is the magnetic moment -⃗? Magnetic fields from single and multiple current loops The magnetic field due to a single circular current loop at an arbitrary point in space is Laboratory #6 Magnetic Fields Objective This experiment has 2 parts: (1) you will map the magnetic fields around a bar magnet and a current-carrying coil, and (2) you will measure induced currents using a bar magnet and a galvinometer. Science Workshop Magnetic Field of a Solenoid dg ©1996, PASCO scientific P52 - 1 Lab 7: Magnetic Field of a Solenoid PURPOSE The purpose of this laboratory activity is to measure the magnetic field inside a solenoid and compare the magnetic field to a theoretical value based on the current through the solenoid. Spin Coherence and Spin Control. When two of these magnets are close to each other the force can be very large, and the force changes rapidly with the distance. Homework The horizontal component of the Earth's magnetic field, B h A lab report describes an entire experiment from start to finish, outlining the procedures, reporting results, and analyzing data. The purpose of this experiment is to mea-sure the horizontal component of the earth’s magnetic fleld BH using a very simple apparatus. Before considering the effect of magnetic fields on conductors, we need some model to describe the flow of currents in response to electric fields. The measure-ment involves combining the results of two separate experiments to obtain BH. For example, waving a permanent magnet near a loop of wire!will induce an electric current in the loop. Print out a graph for your report. The amount the rider has moved along the scale is directly proportional to the force felt by the conductor in the field. In a magnetic field, each spectral line is split into two slightly separated "versions" by the Zeeman effect . Experiment 8 ~ Magnetic Field Induced by a Current-Carrying Wire Objective: In this experiment you will investigate the interaction between current and magnetic fields. Given that a compass points toward Earth's geographic North Pole which is actualy field line Hint: The compass is helpful to visualize the Seld ines hand If the paper you Ee . Record the magnetic field at each position. Printer Friendly Version: In this lab we will investigate the magnetic field with a metal slinky with the use of a Hall probe. Magnetic Fields 7.1 Purpose Magnetic fields are intrinsically connected to electric currents. E. Use the "manual graph" file to plot a graph of B vs. x (magnetic field on the vertical axis. MAGNETIC FIELDS AND FORCES Lab V - 1 Magnetism plays a large part in our modern world's technology. Objective The objective of this lab is to measure the magnitude of Earth’s magnetic field in the lab. Field lines cannot cross. Eq. The magnetic field produced by the magnets in this setup is either pointing up, towards the coil, or down towards the benchtop. magnetic field if no other magnetic fields are present. 2. In the lab, we discovered that the relationship between the magnetic field and the current in a solenoid is proportional to one another such as when the magnetic field increases, the current will increase too and vice versa. Highlight “F(Total Intensity)”, and click on “Compute Magnetic Field Components.” Report the value of Be in Table 3. Which direction is the torque? The report is used to demonstrate what has been learned, and it will provide a way for other people to see your process for the experiment and understand how you arrived at your conclusions. this laboratory, you will use a Hall probe to study the magnetic field distributions produced by both a Helmholtz coil and a solenoid. The lab’s materials-related science drivers are: Quantum Matter. Lab MFS ‐ Magnetic field in a solenoid ... discussion. Lab 7 - The Magnetic Field of a Long, Straight Wire Introduction Magnetic fields are produced by current-carrying conductors. Magnets are used today to image parts of the body, to explore the mysteries of the human brain, and to store data for computers. To build your DC motor properly will take careful thought and attention to details. Last modified on 17 June 2019 back to top What's the MagLab? ... Due to electric circuits in the laboratory, the presence of magnetic materials, etc., this total field for BE may or may not be the same as the Earth’s field (1 BE should be about 4.84×10−5 T or 0.0484 mT). Magnetism also allows us to explore the structure of the Universe, the atomic structure of materials, and the quark structure of elementary particles. Make sure you put all wires away. 4 – e/m of the electron 2 Introduction Our first measurement of atomic structure Charge-to-mass ratio of electron: Motivation and history of the first e/m measurement Consequences Thomson’s experiment The physics behind the experiment: The magnetic field generated by a single loop Charged particle in constant magnetic field Consult the TA, and make sure that you understand the cal-ibration. CSEC Physics Lab - Magnetic Force 1. Field strength is proportional to the line density. Isolated c onclusion from a report on mapping magnetic fields. Report and Analysis on the z-axis: 1. REPORTS AND ANALYSIS e Earth's Local Magnetic Field: 1. 3. Using a Helmholtz coil, a calibration constant is determined that is applied to deflection values obtained by a ballistic galvanometer. x = 100 mm. View Lab Report - Magnetic Field in Current Carrying Coil lab report.docx from ELECTRICAL 14 at Institute of Space Technology, Islamabad. As depicted in Figure 2, the North pole of the compass points towards the South magnetic pole of the Earth which is very close to the Earth’s geographic North Pole. Magnetic Field of Current Carrying Coil Department name, In thi Post-Lab Questions Sheet of Paper (Any Kind Iron Filings Procedure 5. Lab 5 - Force on a Wire Introduction A stationary or moving electric charge will experience a force when placed in an electric field.On the other hand, an electric charge has to be moving to experience a force due to a magnetic field.A current in a wire is due to moving electrons. Your value should, however, fall between 0.04 mT and 0.06 mT. The presence of these magnetic fields can be detected and measured by the force they exert on other magnetic materials and current-carrying conductors. Figure 2 Earth’s magnetic pole and compass heading. The calibration of the sensor (when the switch is set to the radial position) is marked on the sensor controller [1V (voltmeter reading) = 8:03£10¡3 Tesla]. To do so we will use the Drude theory of conductors. The magnets are enclosed in the experimental setup so that the magnetic field outside of the setup is not that strong. Whenever a current flows through a wire, a magnetic field is produced in the region around the wire. Field lines form continuous, closed loops. The spin-up and spin-down electrons in a given atomic energy level have slightly different energies (and hence spectral frequencies) depending on whether they align with or against the local magnetic field. 98 Experiment 18: Earth’s Magnetic Field Advance Reading Text: Magnetic field, vectors, right-hand rule for a wire loop, resistivity. This is a simple classical model, and many of its concepts extend to the quantum case. *When finished with your lab clean up your lab station. Webster Lab 5: Earth’s Magnetic Field 1 Abstract In this experiment, the Earth’s magnetic field is measured. during this lab. Lab 6: The Earth’s Magnetic Field 1 Introduction The earth just like other planetary bodies has a mag-netic fleld. Note: the NGDC values of Bh and Be are given in units of nT and should be converted to T. 11.According to the criterion given in Appendix 2, i.e. Nevertheless, working with these magnets can be dangerous. 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