leaving abandoned cable in place in a building? Abandoned cable can really be a fire hazard 5. Why must the twisting in the individual wires be maintained in a UTP cable? When twisting cable it is very important because if it gets un twisted it can cause a lot of crosstalk and other interference. 6. How many wires does a gigabit cable use? It would be 8 wires 7. Is the labeling standard commonly used or not used? It is used about half the time 8. Grounding should be attached to what in the
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dissolve the solid. Note that the color of the solution is green as the copper ions are rehydrated. 9. Measure out about 20 cm of aluminum wire‚ coil the wire‚ and place the wire in the beaker of solution so that it is completely immersed in the copper chloride solution. Note that the reaction produces a gas‚ elemental copper is forming on the surface of the aluminum wire‚ and the color of the solution is fading. The reaction will take about 30 minutes to complete. 10. When the reaction is done‚ the solution
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Abstract The makers of sports drinks spend millions of dollars advertising the benefits of their products. One of these featured benefits is often electrolytes‚ which your body loses as you sweat. In this chemistry science fair project‚ you will compare the electrolytes present in a sports drink with those in orange juice to find out which drink has more to replace the ones you lose as you’re working out or playing sports. When you are finished‚ you might even want to make your own sports drink
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water‚ wind‚ gas‚ oil or atomic energy. Wires or conductor are the ones that carry or conduct the electrical current. Using Electricity We use the energy of electricity in our homes‚ schools‚ businesses‚ hospitals‚ etc. Electricity has helped bring the countries of the world closer by speeding up and improving communication. Our telephones‚ televisions‚ and other communications instruments all run on electricity. B. Experiment Materials: 3 copper wires 3 copper strips 3 zinc strips 3 limes
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from the proton when its instantaneous speed becomes twice the initial speed. 8. Two conducting spheres one of radius 6cm and the other of radius 12cm each carrying 3×10-8C are placed very par apart. If these spheres are connected by a conducting wire‚ find the direction of motion and the magnitude of charge transferred. 9. A solid metal disc of
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6/15/2012 Somerset College | Charlese Conolly | Science 2012 | Could electrolysis be used to determine the comparative reactivity of metals? | Science 2012 | Could electrolysis be used to determine the comparative reactivity of metals? | Contents COULD ELECTROLYSIS BE USED TO DETERMINE THE COMPARATIVE REACTIVITY OF METALS? 2 BACKGROUND 2 Electrolytic and Galvanic corrosion: 3 AIM 5 HYPOTHESIS 6 VARIABLES 6 APPARTATUS 7 DIAGRAM 8 METHOD / PROCEDURE 8 RESULTS 11
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processing and writes to ( controls ) outputs. Input Devices Microcontroller Output Devices Microcontroller Interfaces Digital On/Off Analog Parallel Serial Asynchronous Voltage Synchronous 1-wire 2-wire (I2C) RS232/RS485 Ethernet 4-wire (SPI‚ Microwire) Page 2 Current Digital Inputs/Outputs On/OFF control and monitoring. Advantages • • • • Disadvantages Simplest interface Lowest-cost to implement (built into the microcontroller) High
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that was assigned to him for that lesson. Not having observed that the power cord was loose‚ the electrical surge caused a shock in him‚ causing him to panic and bump into the monitor of the computer beside him – which we only found later had loose wires – with enough force to knock it off balance and on to the fellow student beside him‚ Katlego Olefhile‚ injury her arm as she attempted to shield herself from the monitor. She was left with a fracture in her forearm and a swollen elbow‚ resulting from
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is used with the heating effect of an electric current. (ii) Electric bulb: we see a thick metallic wire in the bulb. It is made of tangsten metal. In a glass vessel or bulb the tangsten wire is kept sealed. The glass bulb is filled with neutral gas or vacuum. Neutral gases are using now a days commonly. The tangsten wire is known as filament when the current flows through the tangsten wire or filament it becomes heated and emit of light. Due to the flow of current heating effect of an electric
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Case Study: The Global Sourcing Wire Harness Decision Ricky J. Myers Embry-Riddle Aeronautical University April 25‚ 2013 Abstract As Sheila Austin works out the decision to source from one of the two suppliers that have responded to her request for quotes for a new wiring harness for Autolink‚ she is faced with a decision to go with an international supplier in China‚ or from a local supplier. The initial look at the price quotes would steer towards the international source‚ but the underlying
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