GCSE Physics Coursework - Resistance of a Wire Coursework Introduction (Theory) In this piece of Coursework I am going to investigate the resistance in a piece of wire. Resistance is the force that slows down the flow of electrons; this can be due to electrons colliding. The total length of the wires will affect the amount of resistance. The longer the wire‚ the more resistance that there will be. This is also true for thickness of wire; the thinner the wire is the more resistance. Resistance
Premium Electric current Ohm's law Electrical resistance
Introduction The resistance of a wire depends on certain factors. Some of these variables are listed below: Length of wire Diameter or thickness of wire Temperature at which wire is kept The material of which wire is made out of. The potential difference or voltage. Humidity Cross sectional area. Voltage across circuit All these factors will have to be kept constant except the diameter of the wire whilst doing the experiment to ensure that the investigation is
Premium Electrical resistance Electric current Ohm's law
Physics Coursework Objective: My objective in this experiment is to investigate one of the factors that affect the resistance of a piece of wire; the one I am investing is the length at constant temperature. My objective in this experiment is to investigate one of the factors that affect the resistance of a piece of wire. The factor I chose was length. Factors: There our four different things that affect the resistance of a wire: 1. The Length because the wire is thinner than the
Premium Electric current Ohm's law Light
Illinois. He saw a wooden rail with nails sticking out and decided to use this to start his design of barbed wire. His wife’s garden needed protection and that started his invention process. One year later in 1874‚ the barbed wire fence was patented. Glidden became a millionaire with assets. His company‚ with partner Issac Ellwood‚ The Barb Fence Company made 10‚000 pounds of barbed wire the first year and 600‚000 pounds by 1875. When Glidden died‚ he was one of the richest people in America. Although
Premium Barbed wire
Petit: Sane Wire Walker What do you think when you imagine a man walking on a wire higher than 10 stories high? A French wire walker named Philippe Petit walked over many structures from Notre Dame to Sydney‚ Australia‚ to New York. Through the things he has done‚ people may think he is crazy. However‚ Petit and I think that there is nothing crazy about what he has done. I believe the people/society thinks he is crazy. They see this man up hundreds of feet walking across a wire over famous
Premium Philippe Petit World Trade Center Notre Dame de Paris
Worldwide Wires “Revenue Recognition Woes” Introduction Worldwide Wires (“WW”) is a company that provides computer network and communications services around the globe. The company offers its services either directly to the customer or through a network of partners that are scattered around the globe. Their business model can be compared to that of a principal and an agent‚ with WW being the former and the partners being the later. The company and the partners enter into 5 year service agreements
Premium Revenue Net income Income
did a great job of depicting just how much Philippe appreciated every minute of his life. Philippe not only enjoyed the planning of his wire walk and the adrenaline rush of having to tiptoe around all the security guards patrolling the towers‚ but also the act of setting everything up. We can see this in his expressions‚ during his first few minutes on the wire his face shows complete concentration and then only a few moments later he is peaceful‚ the euphoric expressions on his face tell the story
Premium The Documentary Dream
Hello Garci Scandal "Hello Garci" refers to the alleged wiretapped conversations where vote rigging in the 2004 elections was discussed by‚ among others‚ a woman presumed to be President Arroyo and man presumed to be Comelec Commissioner Virgilio Garcillano. Ironically‚ the controversy that nearly toppled the Arroyo administration started at the Palace‚ when Presidential Spokesperson Ignacio Bunye released CDs of the Hello Garci conversations on June 6‚ 2005. Days later‚ former NBI Deputy Director
Premium Hello Garci scandal
The resistance of a wire Planning:- Introduction: To investigate the resistance of a wire at different lengths to see whether or not a longer wire has a larger resistance than a shorter wire. Apparatus: Wire Voltmeter Ammeter Battery 2 crocodile clips Metre rule Variable resistor Diagram: Variables: Length Thickness Resistance Material The material and diameter of the wire needs to be kept constant to keep the test fair as we are investigating resistance. The
Premium Orders of magnitude Electrical resistance Measurement
Section 1 WHAT IS HAPPENING IN THE WIRES? INTRODUCTION Electricity is usually invisible. Except for lightning and sparks‚ you never see it in daily life. However‚ light bulbs and a magnetic compass can show you when something electrical is happening. By observing their behavior and making a few assumptions‚ you can begin forming ideas about electricity. This type of thinking is called “building a model”. INVESTIGATION ONE: WHAT IS NEEDED TO LIGHT A BULB? 1.1 Activity: Lighting bulbs in a loop
Premium Incandescent light bulb