7.2 Introduction 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. PhET. ... Answer: Magnetic flux density (B) = NI / L 2.5 = x 100 x 2 / 0.25 = 0.0031 T.m/A 6. The diagram above represents the magnetic field around a magnet. Day 1 Lab 1: Magnets and Magnetic fields . Magnetic Fields 7.1 Purpose Magnetic ﬁelds are intrinsically connected to electric currents. Introduction All magnetic ﬁelds arise from the motion of electric charges. Magnets can attract and repel because of the magnetic fields around the magnet. Do: read and do text problems, questions . A magnet is a material with poles and a magnetic field created by the configuration of its electrons. 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. 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. Lab1: Finish Magnets and Magnetic fields . Day 2 Notes: Magnetic domain and Magnetic Force . They are created by moving charges. 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. We then built upon what we observed, and used the knowledge to aide in the magnetization and demagnetization of a paperclip. Do: Magnets and Magnetic fields homework worksheet, concept questions from text . Theory The magnetic ﬁeld of Earth resembles the ﬁeld of a bar magnet. The magnetic field is a magnetic force that surrounds a magnetic object at all points in space. 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. 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. INTRODUCTION Magnetic flux most often denoted as Φm, is a measure of the amount of magnetic field passing through a given surface. The measurement of variations in the Earth’s magnetic field is used to tell the location of something below the Earth’s surface. Faraday’s Electromagnet Lab. Day 3. Notice how the force/magnetic field lines point away from the magnet’s North pole and toward its South pole. 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. 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~. Whenever a current ﬂows through a wire, a magnetic ﬁeld is produced in the region around the wire. Steady magnetic ﬁelds like those Lab. 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. Objective The objective of this lab is to measure the magnitude of Earth’s magnetic ﬁeld in the lab. 98 Experiment 18: Earth’s Magnetic Field Advance Reading Text: Magnetic ﬁeld, vectors, right-hand rule for a wire loop, resistivity. 1 . 2: Magnets using . 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