Effect of Battery Voltage on Output

Impact of Battery Voltage on Output Andy Nguyen Chapter by chapter guide 1.0 Introduction 1.1 Theory Review 1.2 Hypothesis 1.3 Materials Risk Assessment 3.0 Results and Analysis 4.0 Discussion 5.0 Conclusion 6.0 Appendix 1.0 Introduction The homopolar engine gadget or otherwise called unipolar engines are generally utilized in ordinary society. For instance, it very well may be identified with an electric circuit in vehicles or in high torque wind turbines. Yet, for this situation, the homopolar engine comprises of an AA battery, copper wire and a neodymium magnet. The point of this examination just utilizing this arrangement is to perceive how the voltage of the battery influences the occasions the wire spins around the battery and magnet. It was guessed that the bigger the voltage or battery, the more it took to spin around the battery as size is deciding the present yield. 1.1 Theory Review The magnet utilized in this examination is known as a Neodymium otherwise called Neodymium-iron-boron. This is an uncommon earth magnet and is more grounded than the normal magnet. It has a high protection from demagnetization and its vitality content level is high. On the off chance that these magnets are not deliberately put away or utilized appropriately, it can effectsly affect the magnet, for example, eroding or burst into flames whenever utilized in high temperatures. Like some other magnet, the Neodymium magnet has a North and South Pole and relying upon which side it’s utilized, it influences the heading wherein the wire is turning. Soluble batteries are ordinarily used to make an electric gadget work. It contains concoction vitality which at that point changes over to electrical vitality when put in a gadget, for example, remotes and toys. A basic battery contains to terminals, anode and cathode. Anode is a cathode through which electric flow streams into a contrarily spellbound electrical gadget. A cathode is the point at which the anode streams out of the emphatically energized electrical gadget. At the point when power is gone through a circle or curl of wire, the power has gone through an attractive field, allude to informative supplement 3. The Neodymium magnet has both North and South Pole which pulls in and repulses the present moving through the rotor in this manner making a steady torque which prompts the circle of wire turning. This monotonous pulling in and repulsing can go on ceaselessly up to a steady current experiences it. To discover how the range of the wire influences the speed of the transformations, rakish speed must be found. Precise speed can be considered as a vector amount hence this unit is estimated in radians every second. The equation for precise speed is: Where is the cycles every moment and is the time taken in a flash. The recipe is then increased by for the full roundabout movement unit for a circle is estimated in radians. Polarization is the point at which the charges inside a specific item is part and isolated into every end away from their unmistakable other. A magnet for instance, when energized has two shafts, where one finish of the post comprises of positive charges while the opposite end will comprise of negative charges. This idea decides the heading at which items pivot. 1.2 Hypothesis It was guessed that the greater the range of the wire, the more slow the rakish speed will be. Yet, as the voltage is expanded utilizing a similar span, the precise speed of the copper wire will increment. Expanding the copper wire to a greater span and changing the voltage of the battery would affect the speed of the unrests. This ought to be because of the copper wire going around a bigger battery which implies more opportunity for the wire to rotate. 1.3 Materials 1.5 Volt Alkaline battery Neodymium magnet Copper wire Pliers Smart telephone 1.4 Safety Risk Assessment The main risk from this investigation is the chance of being jabbed by the wire, having a slight consume on your fingers from the warmed wires or to stick your fingers in the middle of magnets. To keep this from occurring, there must be a ton of alert when taking care of the investigation, for example, being ready where the wires are and not clutching the wire for a really long time, as it might cause consume and furthermore to get every single attractive article far from the neodymium magnet, as it is an exceptionally solid magnet and can stick your finger between objects or a sharp item. 2.0 Method Investigation estimating how sweep (r) and voltage (v) influences precise speed Spot the neodymium magnet on a level surface Spot the negative (level finish) of the AAA battery onto the neodymium magnet. Use pincers to slice the wire to fitting length. Form and curve copper wire so wire has a span of 2cm from focus and make the two parts of the bargains winding down the battery and contact the magnet. The copper wire will move in a round movement when the parts of the bargains contact the magnet, record with advanced cell. Survey recording in moderate movement and measure insurgencies/minute. Rehash stages 2-6 for radii 3cm and 4cm. Rehash stages 2-7 for AA and D batteries. Allude to Appendix 2 for image of test. 3.0 Results and Analysis Figure 1 Figure 2 In figure 1, it shows that 1V (blue) and 1.5v (red) has a relationship with each other because of their regarded lines nearly being equal. This is because of the two wires having nearly a similar voltage from the battery which would imply that the rpm would nearly be the equivalent. 3.1 Error Analysis Table one show the aftereffect of the three distinctive estimated radii’s that was shaped to locate the precise speed. Various three preliminaries were led to guarantee that the outcomes that were given were not anomalous and were precise. Every preliminary went for 60 seconds each and the midpoints of the speed were determined. In every preliminary, an edge of  ±1 was utilized since the copper wire halted midway or not finishing the revolution. As appeared in table 1, unmistakably the greater the sweep of the wire, the more slow the precise speed. The thing that matters is just slight on account of the little contrast in the range of the wire. 4.0 Discussion The consequences of the analysis bolster the speculation that, when the span of wire was enlarged, the more slow the cycles every moment. Be that as it may, when it came to expanding the voltage of the battery, there was an expansion in cycles for every moment. By utilizing similar radii that were utilized in the past investigation for the AAA battery, the speed is expanded when the AA battery was utilized. At that point the cycles every moment were essentially expanded when utilizing the D battery because of the measure of voltage in the D battery. From the information gathered in table, rakish speed had the option to be discovered utilizing counts appeared in supplement 1. At the point when the three batteries are thought about, unmistakably as the battery voltage is expanded, the quicker the precise speed. Despite the fact that expanding the sweep of the wire influences the speed, it despite everything underpins the theory that as the voltage is expanded, the quicker the precise speed will be. True to form, the bigger the measure of volts the battery releases, the more current courses through the copper wire, making it have a higher unrest for each moment rate. The more noteworthy the present stream the bigger the attractive field that is created around the wire, and more power is delivered to follow up on making the wire turn. The copper wire that was utilized was unbelievably slim so there was not a great deal of contact with the battery or the magnet. Since the wire is dainty, there is a little way wherein the present streams wherein just give the electrons to stream in an orderly fashion. In the event that the wire was thicker and greater in measurement, at that point there would be less obstruction since the electrons would have the option to stream unreservedly. Since the batteries have an essentially low obstruction, the electrons are allowed to stream effectively through the slim copper wire. Hence the factor of the opposition can be rejected when estimating the rakish speed. With the information gathered, it was utilized to make a diagram which indicated the connection between the volts of the battery and the rakish speed. The vertical lines on the diagram speak to the edge mistake of  ±1 since the wire didn't finish the full unrest. Other potential mistakes that could have happened while gathering this information was the adjusting blunder, to limit enormous numbers, two critical figures were utilized. Copper wire loses conductivity after each back to back preliminary without cutting the finishes off. With the revelation of this conceivable mistake, cut the end bit of copper wire so the conductivity would be the equivalent each time which would make the outcomes as exact and exact as could be expected under the circumstances. Another conceivable source or mistake for this investigation is if the wire tumbled off the battery part of the way through its pivots and additionally if the parts of the bargains wire lost direct contact to the magnet and eased back down during its revolutions. These potential wellsprings of blunder could be forestalled by making a slight gouge on the battery to make a little opening for the wire to sit easily on and to make a strong winding down the battery so the finishes don’t become free and lose contact with the magnet. So the outcomes could be as exact as could be expected under the circumstances, in such a case that the parts of the bargains wi re lose contact with the magnet, it loses the speed and energy and would back off, and hence influences the rpm. Another conceivable wellspring of blunder is waste of the battery after back to back preliminaries making less voltage stream into the wire along these lines influencing its precise speed, this could be forestalled by utilizing a force pack rather than battery. 5.0 Conclusion Taking everything into account, the outcomes that were assembled bolstered the theory that even with a bigger sweep, while expanding the voltage of the battery, the precise speed is expanded. As the outcomes show that the D battery, albeit bigger span than the AA battery, despite everything had double the measure of cycles every moment since it had double the measure of voltage. 6.0 Appendix Reference section 1 Utilizing the recipe for rakish speed: Reference section 2 Reference section 3 Reference section 4