Experiment 2 Resonant circuit Lab Report Example | Topics and Well Written Essays - 1000 words

Experiment 2 Resonant circuit - Lab Report Example However, this current if often affected by several other factors both from within the connection itself and from without i.e. from the external environment. Impedance, the vector sum of reactance and resistance, describes the phase difference and the ratio of amplitudes between sinusoidally varying voltage and sinusoidally varying current at a given frequency. Fourier analysis allows any signal to be constructed from a spectrum of frequencies, whence the circuit's reaction to the various frequencies may be found. This paper will look at the measurement/ the process of determining the amount of current flowing through an electric circuit by use of a resonator. This is done by analyzing the frequencies of the resonation reflected on the resonator. The level of current transmitted by different sources of power differs depending on the voltage capacity of the source. Sources with higher voltage will result in the increase in the amount of current flowing through the circuit when the loop is closed and the low voltage sources will as well result into low current flowing within the circuit. When the connection is terminated, the current ceases to flow and the charge stored in the capacitor is lost (as the capacitor discharges) (Hammond). Besides, the resonant is used to establish the amount of charge radiated into the capacitor during charging and the amount/ rate of loss of charges over time as the capacitor discharges. The experiment was carried out by setting up a circuit connection off with an AC power source as the source of current transmitted through the circuit and the two nodes X and Y connected to the resonator. These nodes reflect the frequency of the current flowing through the circuit as reflected in the wavelengths on the resonator. When the circuit is closed, current flows through it and the wavelengths of the current shown on the resonator, contrary, when the circuit is broken, the current cease to low and the waves ceases to be transmitted across the circuit. This is indicated by the cession in the projection of the waves on the resonator and the cession of the resonation capacity of the resonator. Certain physical factors are used to determine this variation in the flow of current. These include the amplitude, a, of the waves transmitted through the circuit and the wavelength, ?, of the waves produced as current flows through the connection. While the amplitude of the current shown on the resonator indicates the amount of current passed across at any given instance, the frequency of these wavelengths qualifies the voltage of the power source. The principles mused in this experiment is that of the flow of current in an electric circuit determined by the power source. That the higher the power voltage, the higher the amount of current flowing through the circuit and vice versa. The capacitance of the capacitors is then determined to indicate the amount of charge stored in the capacitors. This capacitance varies from time to time depending on the voltage strength of the power source. The total capacitance of the device that resonates with the inductance of the winding tested is the distributed capacitance; Cd. Experience shows that this result is considered axiomatic by many Engineers. (Hammond) This experiment id very important for electricians and engineers as it helps them the determine with rather accuracy the

FILM APPRECIATION Essay Example | Topics and Well Written Essays - 1750 words

FILM APPRECIATION - Essay Example The very facets that are used to rule society are a reflection of that dominant society’s social views and behaviors. What are ruling ideas and how do they coincide with ideology? Ruling ideas like individualism, honor, competitiveness, and duality mirror the idealized perceptions of the current dominant class in any given time period. This is important because it reveals the power that that class holds over society, thus enabling a governing body to manipulate them. Marx’s definition of ideology is the idea that can be used to manipulate society. Why does Marx and Engel focus on the bourgeois class? The bourgeois class holds power, which is a subsidiary of wealth, education and exposure to a variety of elements in the real world. Their ideas are key over the lower class because they are the ones who directly or indirectly shape society the most. What is â€Å"Ideology and Ideological State Apparatuses†? An essay written by Louis Althusser that depicts ideology a s a fortifying notion that encourages people to succumb to a state of oppression through their invented identify of themselves vs. who they are in reality based on â€Å"experience, consciousness, and subjectivity† (2). ... A school established in Frankfurt, Germany in 1923 whose theorists construed that cultural artifacts maintained the connection between mass culture and its realistic view on life in an industrial society. How does Walter Benjamin’s believes differ from Marx and Althusser? How has film supported his viewpoint? Benjamin says that mass culture has the ability to judge itself and they will if given the proper tools. Film creates flash images, or a rush of pictures that equate to self-analysis like reflections in sports by fans (Frankfurt 4). More members of society have access to film over high art and film makes it easier to analyze societal behavior. How is ideology applied to films like Rambo? Labels and stereotypes that ideology envelops in specific cultures can be mimicked or imitated in films. For example, Rambo (although fictional) portrays society’s real issues of sexism, racism and militarism. It acts like a mirror, like a checklist. The film represents the listed problems of society by portraying women as whores and a black man as â€Å"evil† because he combats Rambo (Reading 2-3). This is what ideology is, a reflection of the mass culture in reality. Psychoanalysis http://www.filmreference.com/encyclopedia/Independent-Film-Road- Movies/Psychoanalysis.html 10 Questions What is psychoanalysis and who founded it? Psychoanalysis is a term coined by Sigmund Freud and Josef Breuer that refers to the study of the unconscious part of the human mind. If the unconscious exists then that correlates with the fact that humans are restricted in their self-awareness. People are not in complete control of their thoughts and emotions. Dreaming is a product of the unconscious mind, but how does it relate to psychoanalysis? In what text did it first