Normal height of contact wire at support point for regulated OHE | 5.00 mtr (Presag -1000th part of span length) | 5.50 mtr | 2 | Normal height of contact wire at support point for unregulated OHE | 5.15 mtr | 5.70 mtr | 3 | Minimum height of contact wire at loco inspection pit | 5.20 mtr | 5.80 mtr | 4 | Minimum height of contact wire at over line structure | 4.80 mtr | 5.50 mtr | 5 | Dia of new contact wire | 13.8 mm | 12.24 mm | 6 | Condemned dia of contact wire on main line | 9.25 mm
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How Does The Diameter Of Wire Affect The Resistance In A Circuit? Introduction: Some metals such as copper‚ silver and gold are very good conductors of electricity. This is because they all have only one electron on the outer shell. This means that they need only a tiny amount of energy in order to allow the electron to move. Non-metals‚ however‚ do not have free electrons‚ so even non-metals that only have one electron on their outer shell can still hold onto them tightly. Aim Of The Investigation:
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How does Length affect resistance? Coursework Aim To find out how the length of a wire can affect resistance. Factors affecting resistance  Temperature  Length of wire  Thickness  Type Resistance is a force which opposes the flow of an electric current around a circuit so that energy is required to push the charged particles around the circuit. Resistance is measured in ohms. The symbol for an ohm is Ω Here is the rule for working out the
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Oliver Noah Kent AP Chemistry Block 3/4 Laboratory #4: Mole Ratios I. Hypothesis: If copper wire is placed in an aqueous solution with silver nitrate‚ then silver crystals will grow on the wire surface and the solution will gradually take on the color of Copper (II) ions. The relative quantities of reactants and products in this chemical reaction can be determined by measuring the mass of copper wire consumed in the reaction and the mass of silver crystals that result. These measurements can then
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2012 RTDs Temperature Measurements Anshul Sharma 2010A8PS255P Wasim Sajid 2010A8PS253P Suman Saurav Giri 2010A8PS256P in partial fulfillment of the course Transducers and Measurement Systems Submitted To : Prof. Surekha Bhanot Department Of Electronics and Instumentation Bits Pilani Birla Institute Of Technology And Science Pilani‚ Rajasthan. 333031 E&I 10/11/2012 2 Acknowledgements First and foremost‚ we would like to thank God for supporting us always. We express
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Physics Lab Report – C15 Title: Investigation of magnetic fields by search coil Objective: To use a search coil and a CRO to investigate the magnetic fields generated by alternating currents through a straight wire and a slinky solenoid. Apparatus: |Search coil 1 |Slinky solenoid 1 | |CRO 1 |Slotted
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about basicelectrical wiring before you step into it. Any gaffe can burn down your beautiful house in a few minutes. It is a common fact that people get confused when they are cabling for the first time. Gathering some information about circuits‚ wires and electrical grid is very essential when you plan to do wiring yourself. Basic House Wiring Follow Local Electrical Code If proper precautions are not taken‚ electricity can be fatal. Follow the local codes and regulations regarding residential
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Date Aim: To find resistance of a given wire using metre bridge and hence determine the specific resistance of its material. Apparatus: A meter bridge ‚a Leclanche cell ‚ a galvanometer ‚a resistance box‚ a jockey‚ a resistance wire or resistance coil‚ a metre scale‚ a set square and connecting wires Procedure: 1.Draw the circuit diagram as shown in figure and arrange the apparatus according to the arrangement diagram. 2. Connect the resistance wire or resistance coil whose resistance is
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Aim: To determine the relationship between the length of eureka wire‚ and resistivity of the wire. Hypothesis: As the length of the wire increases‚ the resistance of the wire will increase. Background: Some materials have consistent resistance at the same temperature regardless of how much voltage is applied through them‚ these materials are known as ‘Ohmic’ resistors. This is because they are said to obey Ohm’s law‚ which states that if a voltmetre is used to measure the voltage (V) of
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In the last lab‚ we were asked to find out the Young Modulus of two wires: Copper and Steel. I worked on Copper wire. My hypothesis on the report was that “The Young Modulus of a wire is directly proportional to the extension possible by the object.” Which means‚ the more a wire stretches from its original position the more will be its Young Modulus. It is because‚ F = -kx‚ and –k should be that constant. We were given some wires which were fixed on ceiling of lab on one end and other end had vernier
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