Abstract I would like to convey that with the help of this project I got the opportunity to understand a subject I was interested in. I came to know about how the electric cars are marketed in different parts of the world according to their needs. I also came across a point where I understood the advantages and disadvantages of electric cars over our regular petrol or diesel injected cars. I came to know about its relation with nature by saving the environment compared to our usual cars and also learned
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gasoline. Leading the way of electric use is cars. I expect cars to use about 50% electricity in the future. Electric cars today use the energy stored in a battery (or series of batteries) for vehicle propulsion. There are many pros and cons about electric cars. Electric vehicles have a reputation for having faster acceleration but shorter distance range than regular engines. They produce no exhaust whatsoever but will always require long charging times. Electric vehicle batteries differ from
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uses for electromagnetism is in electronic motors. The main components are a core rod and many copper wires coiling around the iron rod. The coils rotate around the iron rod because of the magnetic force caused by a certain magnetic field on an electric current. While doing so‚ this turns electrical energy into mechanical energy. When this happens‚ normally a gear is attached to the end of the rod. That Gear is connected to another gear and that can be linked to anything you want to turn. However‚ when
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temporary magnet formed when electric current flows through a wire or a conductor. Most electromagnets consist of wire wound around an iron core. This core is made from soft iron that loses its magnetism quickly when the electric current stops flowing through the wire. Electromagnetism is the branch of physics that studies the relationship between electricity and magnetism. Electromagnetism is based on the fact that (1) an electric current or a charging electric field produces a magnetic field
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The current ratio is calculated as current assets divided by current liabilities. The current ratio for the Coca-Cola Company in 2008 was 0.93 (12‚176/12‚988) and for 2009 it was 1.28 (17‚551/13‚721). For every dollar of current liabilities in 2009‚ Coca-Cola has $1.28 of current assets. The ratio indicates that Coca-Cola has enough assets to cover its debts. From 2008 to 2009‚ the company had a large increase in cash‚ which increased their current assets. They also had a similar increase in the
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studies on the effects of magnetic field around a conductor which carried Direct Current (DC). In 1831‚ Faraday made one of his most renowned discoveries‚ the principle of electromagnetic induction by using the "induction ring". The electricity was generated by means of electromagnetic effect. This was the first version of an electric transformer. He further discovered that magneto electric induction produced electric current on a continuous basis. Through a sliding contact to a disc made of copper‚
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CBSE Sample Paper-05 (Unsolved) SUMMATIVE ASSESSMENT –I SCIENCE (Theory) Class – X Time allowed: 3 hours Maximum Marks: 90 General Instructions: a) All questions are compulsory. b) The question paper comprises of two sections‚ A and B. You are to attempt both the sections. c) Questions 1 to 3 in section A are one mark questions. These are to be answered in one word or in one sentence. d) Questions 4 to 6 in section A are two marks questions. These are to be answered in about 30 words
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analyzing the dependence of the electrical current as a function of voltage and as a function of resistance. Also‚ we studied the current flow and voltage in series and parallel. Finally‚ the lab determined the equivalence resistance of series and parallel combination of resistors and compared the results with theoretical data. Theoretical Background: The first thing that needs to be described in this lab is what the electric current I: I =. The electric current is defined as charge over time and the
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Electrical resistance Electrical resistance is a measure of the degree to which an object opposes the passage of an electric current. The SI unit of electrical resistance is the ohm. (“Electrical Resistance” http://en.wikipedia.org/wiki/Electrical_resistance) Electrical resistance is the measure of the degree that a substance against to the electric current through it in an electric circuit. Good conductors are associated with low resistance and poor conductors are associated with high resistance
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is proportional to the current (I)‚ where the constant of proportionality is the resistance (R). Series and parallel resistors - The total resistance of resistors connected in series is the sum of their individual resistance values. The total resistance of resistors connected in parallel is the reciprocal of the sum of the reciprocals of the individual resistors. Power dissipation - where V (volts) is the voltage across the resistor and I (amps) is the current flowing through it. Using
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