Electric field

the power of magnetism, an invisible force that pulls things together or pushes things apart, he can throw cars and move buildings all with the flick of a finger. The Earth itself also happens to be one big magnet, creating a magnetic field, or type of force field, that extends miles beneath the Earth’s surface and into space. Now, split campers into 8 groups of 3 or 4, giving each group two magnets. Have campers hold the magnets close together. What happens? Can they make the magnets stick…

more than anything, so I will incorporate ways of how my claim can improve their job, and how their job may change due to the shift. As my intended major is mechanical engineering, it is important for me to research problems in mechanical engineering field, because these might be the problems I will face in the future, so it is important for me to not only be aware of the problems, but what I should do now to prepare for them. As of now, I think the most effective genre to argue and address my…

Earning a degree, in one of these fields opens a wide variety of high paying careers in fields such as Physics, Aerospace, Energy, and Automotive disciplines that need professionals who know how to use technology, science, and…

CHAPTER 2 2.1 ELECTROCARDIOGRAM The ECG Signal is a graphical representation of the electromechanical activity of system. The various propagation action potentials within the heart produce a current flow, which generates an electrical field that can be detected, in significantly attenuated form, at the body surface, via a differential voltage measurement system. The resulting measurement, when taken with electrodes in standardized locations, is known as the electrocardiogram. The ECG signal is…

relationship between electric current, voltage, and resistance. The ohm’s law was named after the German physicist Georg Ohm who discovered this rule or law. Ohm’s law statement Ohm’s law states that the electric current flowing through a conductor is directly proportional to the voltage and inversely proportional to the resistance. In other words, the electric current flowing through the conductor increases with increase in applied voltage (If resistance is not changed) and the electric…

of electric motors which operate from a direct current. Nearly all mechanical devices applied in daily life activities are powered by electric motors. Motors transform electrical energy to mechanical energy, hence they are essential for energy conversions in electrical machines. All types of electrical motors are made up of a stationary field referred to a stator and a rotating field referred to a rotor. According to Krishnan, (2010), DC motors operate through the interaction of an electric…

single, flexible strand or rod of metal which is typically cylindrically-shaped. The core applications of wire, both single- or multi-stranded wire, are to withstand or carry mechanical loads in construction sector, whereas in electrical and electronic field are used to transmit electricity and telecommunications signals. For examples, from view of construction, wires are either braided or fixated together to form a bundle of strands, namely multi-stranded wire or conventionally known as cable,…

Q. Why do wire and a compass work to detect electric currents? A. I’m going to start off with the basics here. A compass points north. Everyone knows that. Why does it point north? Well, all magnets have two “poles” or ends. One end of the magnet is called the north-seeking pole. The north-seeking pole is often abbreviated to north pole or the letter N. The north pole end of a magnet is usually colored red. The other end of a magnet is called the south-seeking pole. The south-seeking pole is…

Maxwell and Faraday- A Brief History of Electromagnetism The field of electromagnetism was established in 1819, twelve years before Maxwell was born. Hans Christian Oersted from Denmark was the first scientist who thought of the possibility that magnetism and electricity were related. He considered such a possibility because of the observations he made during an experiment. He Placed a wire above a compass and passed a current through the wire. He noticed that the needle of compass moved when…

1.1 Dielectric Materials Dielectric materials are insulating materials that exhibit the property of electrical polarization. Dielectric materials support charge by acquiring a polarisation in an electric field. 1.1.1 Electric susceptibility and permittivity When a capacitor with capacitance C0 is filled with a dielectric material, its charge storage capacity (capacitance) increases to a value of C. Than susceptibility (χ^') of the dielectric materials is given by χ^'= (C-C_0)/C Dielectric…