There are many components to any investigation‚ but behind any successful investigation there is a well written and detail report that describes every aspect of the crime scene. Field note are one of the most important and essential aspects to any successful investigation and to any finished report. Field notes should encompass the basic information such as name‚ date and time‚ and location. The notes should also include any observation of the officer’s surroundings such as‚ who was at the scene
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Electron Gun - Effects of a Magnetic Field Purpose: The objective of this experiment is to study the motion of an electron in a magnetic field and to establish (show/verify) a relationship between the magnetic strength and the distance the electrons are deflected. Theory and Procedure: The electron gun is an instrument that consists of an electron source (which emits electrons and focus the stream into a beam)‚ a magnetic coil (which uses a voltage to create a magnetic field that deflects the beam away
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Effect of The Earth’s magnetic field By X 9h Earth’s Magnetic Field Introduction Our Earth is a huge bar magnet tilted 11 degrees from the spin axis of the Earth‚ with geographic north pole being earth’s magnetic south pole and vice versa. Similar to how a magnet has a magnetic field surrounding it‚ our Earth also has its own magnetic field. The earth’s magnetic field is formed in the earth’s core due to a process known as the dynamo effect. According to dynamo effect
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One thing that uses magnetic fields is the electric motor‚ which is used in many household appliances‚ such as electric fans‚ microwave ovens‚ and other small appliances. In this instance the electric motor has an electric current‚ giving it also this magnetic field. An electric motor converts electricity into mechanical motion. Most electric motors work by electromagnetism‚ but motors based on electrostatic forces also exist. The overarching concept is that a force is generated when a current-carrying
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a CRT are deflected in the vertical direction by applying a potential between the vertical deflection plates of the CRT. A magnetic field perpendicular to the deflecting electric field is produced using a pair of bar magnets. The position of the magnets is adjusted so as to cancel the deflection of the electrons. The knowledge of the deflecting potential and the magnet field of the bar magnets leads to a calculation of the specific charge. I. Introduction We have learnt that the electron has a negative
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Magnetic field screening and mirroring in graphene Mikito Koshino‚ Yasunori Arimura‚ and Tsuneya Ando arXiv:0903.1690v2 [cond-mat.mes-hall] 17 Jun 2009 Department of Physics‚ Tokyo Institute of Technology‚ Tokyo 152-8551‚ Japan (Dated: June 17‚ 2009) The orbital magnetism in spatially varying magnetic fields is studied in monolayer graphene within the effective mass approximation. We find that‚ unlike the conventional two-dimensional electron system‚ graphene with small Fermi wave number kF
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precision of the numbers to be kept as they are once they are sorted. Therefore‚ the binary search is implemented. Function of the binary search: 1) Considering that the structure is already sorted (if not we need to do so)the goal of the binary search is to find a location within the “tree” called the key‚ and ensure‚ that there is space for it if something were to be overwritten on it. The binary search functions by looking through the whole length of the data structure (it finds the range between
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Journal of Management 2004 30(2) 285–304 Social Loafing: A Field Investigation Robert C. Liden∗ Department of Managerial Studies‚ MC 243‚ University of Illinois at Chicago‚ 601 S. Morgan‚ Chicago‚ IL 60607-7123‚ USA Sandy J. Wayne Department of Managerial Studies‚ MC 243‚ University of Illinois at Chicago‚ 601 S. Morgan‚ Chicago‚ IL 60607-7123‚ USA Renata A. Jaworski Department of Managerial Studies‚ MC 243‚ University of Illinois at Chicago‚ 601 S. Morgan‚ Chicago‚ IL 60607-7123‚ USA Nathan
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A Mosquito Coil made from Lanzones Peelings Investigatory project in Science 03 Submitted to: Ma’am de Felipe Submitted by: Leader: Mary Elena c. Uy Ass. Leader Trisha Ann palmero Members: Lorenz tabilog‚ Oswald takeda Sean bragat‚ Yno gullan‚ Anthon carbungco Abstract “How will a Lanzones peel become a mosquito coil?’’ First the materials are Starch‚ aluminum foil‚ Lanzones peelings‚ and commercial katol. Then‚ the steps are Sun dried the Lanzones for a few days. If the Lanzones is
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generates a magnetic field. For a long time‚ it has been suggested that Earth’s magnetic field would eventually weaken. The field can change over time and may even occasionally flip‚ causing the north to become the south and vice versa. Now‚ new research‚ published on July 28th in Nature‚ states that Earth’s weakening magnetic field is actually a sign that another flip is to be anticipated. It is important to understand Earth’s magnetic field We owe some much of our livelihood to the magnetic field surrounding
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