Andre Ampere biography Andre-Marie Ampere & Electromagnetism Andre-Marie Ampere was first‚ a Frenchman‚ second a physicist and third a mathematician. Andre was born on 20 January in the year 1775 at the Parish of St. Nizier‚ Lyon‚ France. During his childhood his father tried to teach him Latin‚ but he found that Andre’s interests and abilities lied in the study of mathematics. Certainly‚ Andre cherish the time that his father spent teaching him‚ for later‚ during the French Revolution‚ his
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the seventeenth and eighteenth centuries. Practical applications for electricity however remained few‚ and it would not be until the late nineteenth century that engineers were able to put it to industrial and residential use. The rapid expansion in electrical technology at this time transformed industry and society. Electricity ’s extraordinary versatility as a means of providing energy means it can be put to an almost limitless set of applications which include
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Electricity and Magnetism History Electromagnetism Originally electricity and magnetism were thought of as two separate forces. This view changed‚ however‚ with the publication of James Clerk Maxwell’s 1873Treatise on Electricity and Magnetism in which the interactions of positive and negative charges were shown to be regulated by one force. There are four main effects resulting from these interactions‚ all of which have been clearly demonstrated by experiments: 1. Electric charges attract
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A brief introduction of PMT‚ IPMT and PPMT Excel functions MS Excel – PMT Function(WS‚ VBA) • In Excel‚ the PMT function returns the payment amount for a loan based on an interest rate and a constant payment schedule. • The syntax for the PMT function is: • PMT( interest_rate‚ number_payments‚ PV‚ [FV]‚ [Type] ) • • • • interest_rate is the interest rate for the loan. number_payments is the number of payments for the loan. PV is the present value or principal of the loan
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Rapid application development Republished from Developers.net Rapid Application Development (RAD) is a marketing buzzword that almost every software development tool uses‚ yet one that rarely applies. At a high level it is an Application Development technique that uses Prototypes‚ Iterative Customization‚ and CASE Tools. This article will focus on RAD: its history‚ advantages and disadvantages‚ appropriateness for various problems‚ core elements‚ process‚ and additionally will focus on CASE tools
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Magnetic effect of electric current is one of the major effects of electric current in use‚ without the applications of which we cannot have motors in the existing world. A current carrying conductor creates a magnetic field around it‚ which can be comprehended by using magnetic lines of force or magnetic field lines. The nature of the magnetic field lines around a straight current carrying conductor is concentric circles with centre at the axis of the conductor. The direction of the magnetic field
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temperature response rivaling gas‚ and safety and cleaning ease that beat out glass-and-ceramic-top stoves. Whereas other stoves heat food indirectly by applying an open flame or a hot surface to the bottom of cookware‚ induction cooktops use electromagnetism to cut out the middleman and heat the cookware itself. The result is more evenly heatedfood and a cooler cooktop. In this article‚ we’ll uncover how the same power-producing principle making Hoover Dam’s giant generators possible is helping
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multiple forces act upon an object within a straight line‚ then the forces will reinforce or cancel one another depending of factors such as magnitude and direction. Unbalanced forces will cause changes in the direction or speed of an object. Electromagnetism is composed of magnetic fields and electric currents. The electromagnetic spectrum is mediated by a particle called photon. Example: heat‚ visible light‚ radio waves‚ X-rays‚ UV radiation.
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advantage over DC. In applications where electricity is used to dissipate energy in the form of heat‚ the polarity or direction of current is irrelevant‚ so long as there is enough voltage and current to the load to produce the desired heat (power dissipation). However‚ with AC it is possible to build electric generators‚ motors and power distribution systems that are far more efficient than DC‚ and so we find AC used predominately across the world in high power applications. To explain the details
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current. One ampere is the amount of current flowing with an electromotive force of one Volt in a circuit having a resistance of one Ohm. Named after the French mathematician and physicists Andre Marie Ampere who discovered the basic laws of electromagnetism. AMPERE’S FORCE LAW Ampere’s force law states that there is an attractive or repulsive force between two parallel wires carrying an electric current. This force is used in the formal definition of the ampere‚ which states that is “the constant
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