7.2 Introduction Theory The magnetic ﬁeld of Earth resembles the ﬁeld of a bar magnet. Do: Magnets and Magnetic fields homework worksheet, concept questions from text . PhET. They are created by moving charges. Do: read and do text problems, questions . where B is the magnetic field (in units of Tesla), I is the current, ℓ is the length of the wire, and θ is the angle between the current and the direction of the magnetic field. Lab. Magnetic Fields 7.1 Purpose Magnetic ﬁelds are intrinsically connected to electric currents. Whenever a current ﬂows through a wire, a magnetic ﬁeld is produced in the region around the wire. The purpose of this lab is to investigate magnetic ﬁelds around simple geometric conﬁgurations of wires carrying current. Experiment 8: Magnetic Fields and Forces Introduction In class you learned that a magnetic force F B is exerted on a charged particle as it moves through a magnetic eld B~. Procedure: Lay out a… The information we are given are the following equations in the pictures and the data we have collected is: Solenoid: Voltage, distance, and length of solenoid; Coil: Voltage, Distance, and Radius. Lab1: Finish Magnets and Magnetic fields . The diagram above represents the magnetic field around a magnet. 98 Experiment 18: Earth’s Magnetic Field Advance Reading Text: Magnetic ﬁeld, vectors, right-hand rule for a wire loop, resistivity. Objective The objective of this lab is to measure the magnitude of Earth’s magnetic ﬁeld in the lab. Steady magnetic ﬁelds like those Introduction All magnetic ﬁelds arise from the motion of electric charges. Notice how the force/magnetic field lines point away from the magnet’s North pole and toward its South pole. We need to determine the magnetic field of both a large coil and a solenoid which I need help doing. Im working on a magnetic field lab for physics. Day 1 Lab 1: Magnets and Magnetic fields . 2: Magnets using . 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. We then built upon what we observed, and used the knowledge to aide in the magnetization and demagnetization of a paperclip. A magnet is a material with poles and a magnetic field created by the configuration of its electrons. 1 Lab # 5: Magnetic Fields Introduction In this lab we examined magnetic field lines through the use of a bar magnet and a compass. Faraday’s Electromagnet Lab. Day 3. Magnetic fields can be defined as the regions surrounding a magnet where another magnet or a moving electric charge will feel a force of attraction or repulsion. For current flowing through multiple wires, such as a section of a rectangular coil, the force on a single wire must be multiplied by the number of wires in the coil, N. Magnets can attract and repel because of the magnetic fields around the magnet. Introduction: The purpose of this lab was to use the magnetometer to find out the location, and also how far below the surface of the Earth a metal pipe is. ... Answer: Magnetic flux density (B) = NI / L 2.5 = x 100 x 2 / 0.25 = 0.0031 T.m/A 6. The measurement of variations in the Earth’s magnetic field is used to tell the location of something below the Earth’s surface. The magnetic field is a magnetic force that surrounds a magnetic object at all points in space. Day 2 Notes: Magnetic domain and Magnetic Force . 1 . INTRODUCTION Magnetic flux most often denoted as Φm, is a measure of the amount of magnetic field passing through a given surface. All magnets have magnetic fields around them, and it is this magnetic field, and the poles of the magnet, that are defining characteristics of all magnets. Magnetic force that surrounds a magnetic force that surrounds a magnetic force we observed, and the! 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