uniform gravitational field gravitational a U = Fh = mgh d ha F=mg Wab = Fd = ‒ ΔU = ‒ (Ub ‒ Ua) b hb direction of gravitational field F does positive work‚ U decreases positive charge moving in the direction of uniform E + + + + + + electric U = Fy = q0Ey a F=Eq0 E Wab = Fd = q0Ed d b ya yb ‒ ‒ ‒ ‒ ‒ ‒ = ‒ ΔU = ‒ (Ub ‒ Ua) F does positive work‚ U decreases positive charge moving in the opposite direction of uniform E + + + + + + electric U = Fy = q0Ey b
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Magnetic Fields PHY 114 Lab Report 10/23/2013 Abstract: The purpose of this experiment was to surrounding a magnet there is a magnetic field. The magnetic field is analogous to the electric field that exists in the space around electric charges. Like the electric field‚ the magnetic field has both a magnitude and a direction. The direction of the magnetic field at any point in space is the direction indicated by the north pole of a small compass needle placed at that point. Since electric
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------------------------------------------------- Electric generator From Wikipedia‚ the free encyclopedia U.S. NRC image of a modern steam turbine generator Early Ganz Generator in Zwevegem‚West Flanders‚ Belgium Early 20th century alternator made inBudapest‚ Hungary‚ in the power generating hall of a hydroelectric station In electricity generation‚ an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge (usually carried by electrons)
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NOTE: This paper explains the theory and uses of the electric generator‚ and explains the differences between AC and DC generators. It also includes a glossary and a bibliography. --------------------------------------------------- ELECTRIC GENERATORS In its most basic definition‚ an electric generator is a machine that produces electricity. Generators produce almost all of the electricity used by people. They supply the electric power that runs machines in factories‚ provide lighting‚ and operate
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point charge q2 = 5.1 μC is located along the x-axis at a distance x2 = 9.3 cm from q1. 1) What is F12‚x‚ the value of the x-component of the force that q1 exerts on q2? -18.57 N For all of these problems we want to make use of the standard electric force equation: ̂ So for this problem with K=9*109 Nm2/C2‚ Q1=-3.5μC‚ Q2=5.1 μC‚ and r=9.3 cm we get F=-18.57 N. It’s important to realize that getting a negative force value means the charges attract. The direction of that attraction is determined
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I. Physical Features Electric eels are not really eels‚ they are actually ostariophysians‚ but have a strong physical resemblance to true eels. . An electric eel is mostly tail. The internal organs are compressed into the anterior (front) 1/5th of the body‚ and the rest of the fish consists of the long‚ electricity-producing tail. The tail contains the electric organs: Sachs’ organ‚ Hunter’s organ‚ and main organ. Extending down the entire tail region is an elongated anal fin. There are no dorsal
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‘’CHARGELESS’’ MOBILE PHONES By Ferdinand Maija Sako Abstract Key Enabling Technologies Micro and Nanoelectronics and Photonics Key enabling technologies (KETs) as defined through the European Commission: * are research & development-intensive * are capital-intensive * require a highly-skilled work force * are subjected to rapid innovation cycles. Due to their multi-disciplinary and trans-sectoral characteristics and their trend to convergence and integration at the
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Electric Cars An electric car is a vehicle which gets power from one electric motor or more‚ and an electric car use electrical energy to store batteries or another energy storage device. The developmental history of electric cars is very long‚ and the first automobile all over the world was an electric car. However‚ electric cars had two terrible disadvantages: the problem of energy technology and mileage limit around 20 century. The problems made electric cars disappeared from citizens eyes for
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Chapter 1 The History of Electric Transformer INTRODUCTION: Transformer is a device that transfers electric energy from one circuit to another‚ usually with a change in voltage. Transformers work only with a varying electric current‚ such as alternating current (AC). Transformers are important in the distribution of electric power. They raise the voltage of the electricity generated at a power plant to the high levels needed to transmit the electricity efficiently. Other transformers
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whether it is sustainable. General electric: Headquarters Fairfield‚ Connecticut‚ U.S. Revenue: US$ 182.515 billion (2008) Net income: US$ 17.410 billion (2008) Total assets: US$ 797.769 billion (2008) Employees: 323‚000 (2008) CEO & Chairman – Jeffrey R. Immelt Lines of business: Aviation‚ Jet engines‚ Electricity‚ Entertainment‚ Finance‚ Gas turbines‚ Generation‚ Industrial Automation‚ Lighting‚ Medical imaging equipment‚ Medical technology‚ Health informatics‚ Electric motors‚ Locomotives‚ Wind turbines
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