AS Level Physics: Terms & Definitions:- Measurement Random errors are errors of measurements that result in a scatter of readings about a mean value. Systematic errors are errors of measurement which occur according to some fixed patterns such that they consistently give out an over-estimation or under-estimation of the true value. Accuracy is a measure of how close the results of an experiment agree with the true value. Precision is a measure of how close the results of an experiment
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Perpendicular to V Basic Principles For magnetic field density (B): 1. Magnetic Fields: Direction of Field: North South 2. Electro Magnetic Fields: - Current caring conductor produces magnetic field around conductor. Electromagnetism Conductor I B‚ H F N F = BIL S Construction of DC Machine Stator: - Yoke (or Frame) - Poles & Pole shoe - Field windings - Brushes - End covers Rotor (Armature) - Armature core - Armature winding - Commutator
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influential‚ in part because advances in its understanding have often translated into new technologies‚ but also because new ideas in physics often resonate with other sciences‚ mathematics‚ and philosophy. For example‚ advances in the understanding of electromagnetism or nuclear physics led directly to the development of new products which have dramatically transformed modern-day society‚ such as television‚ computers‚ domestic appliances‚ and nuclear weapons; advances inthermodynamics led to the development
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Early History of Electric Power Date Event Pictures 1800-1819 Early electric experiments were performed with DC. In 1800‚ Alessandro Volta published a description of a silver/zinc battery‚ acknowledging that he did not know how it worked. In 1807‚ Humphry Davy constructed a practical battery (the picture will be immediately familiar to anyone who works with UPS systems)‚ and demonstrated both incandescent and arc light. • Volta’s famous bi-metalic frog twitch (I did this one myself as a boy..
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A SEMINOR REPORT ON WITRICITY Submitted to JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY‚ Anantapur In partial fulfillment of award of the degree of Bachelor of Technology IN ELECTRICAL AND ELECTRONICS ENGINEERING BY D.SANDEEP KUMAR 05P11A0255 [pic] DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING CHADALAWADA RAMANAMMA ENGINEERING COLLEGE (Affiliated to J.N.T.U‚ ANANTAPUR) TIRUPATI-517506 2009 ABSTRACT Human brains always search for the new ways and means which makes life
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ABSTRACT: Power‚ more specifically electric power is very much essential to power our machines and equipments and indirectly to power our human lives. This paper deals with generation of electricity from nano electric generator and its applications. Nano electric generator is different from other conventional generators in the sense that it does not have the rotating parts it operates on the principle of piezo-electric effect. The source for the generation of electricity is different types
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References: [1] Prof H.E.M. Barlow ‚ The Application Of The Hall Effect In A Semiconductor Measurement Of Power In An Electromagnetic‚ 1963‚ vol 110 ‚ page 79-84 [2] D. Silverman ‚ Industrial Applications of Hall-Effect Devices [3] Ryo Shimano‚ Terahertz Magneto-Optics of Quantum Hall Effect and Anomalous Hall effect‚ 2011 [4] Viktor A Pogrebnyak‚ Electron Standing Wave Resonances
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of the system or faultiness in the values measured by the system. These low frequency vibrations are mostly involved in the machinery used in the fields of medicine. So‚ depending on the frequency of vibrations they may be desirable for some applications like mobile phones and they may be undesirable for most
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Physics Exam Study Notes By: Faizan Dhalla | SPH3U 1: Forces and Motion * Kinematics: study of motion * Basic types of motion: * Uniform (constant speed in straight line) * Non-uniform * Scalar quantity: with magnitude & no direction * Distance‚ average speed * Vector quantity: with magnitude (arrow above it) & direction (in square brackets after unit) * Position‚ displacement‚ acceleration * Velocity: * Rate of change of position *
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........................................ 1 ............................................................................................ 4 Chapter 1 – Introduction ...................................................................... 5 1.1 Applications of pneumatics............................................................... 6 1.2 Basic control engineering terms ....................................................... 8 1.3 Pneumatic and electropneumatic controllers .......................
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