Experiment Essay Samples and Topic Ideas
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experiment shows that the current is dependent on the resistance which remains constant. This variation of current also brings about a variation in the power. One thing to note is that a graph of a plot of power versus current is not a straight line which as a constant gradient. There is an exponential variation as seen in the curves. When the current is 6.093mA the power has a value of P=VI=36.558 watts, P=I2R= 36.41928, and P=V2/R= 35.316. These different values demonstrate the differences in the three formulas. Possible cause of error might be due to faulty readings and truncating of decimal values in the readings and calculations. Comparing measurement 1, 3 and 6 it is important to note that they...
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experiment was conducted in a manner that it allowed for both of the nodal circuit and mesh circuit methods of calculations to be used. The calculations methods here were Ohm’s law of current analysis and the Kirchhoff’s voltage analyses technique. There is no circuit that does not apply the methods of Ohm’s current law and Kirchhoff’s voltage law. From this principle, we realized that we could work with complex circuits as well. Hence, we are able to do works of designing very well. We also came up with equations which we solved using the basic mathematical formulas such as Cramer rule. When confirming the calculated values with those measured using the necessary measuring equipment of...
EXPERIMENT 4: STRAIN MEASUREMENTS USING STRAIN ROSETTES IN ALUMINUM BEAMS Discussion and Conclusion In this experiment, the rotational and transverse strain measurement for the aluminum beam were measured from the Strain Smart program and recorded. The pressure has been registered using the strain rosette indicator of the Smart Program. The program is the most convenient for use since it integrates the traditional Wheatstone bridge with the SGI measurements to give a more accurate value for the transverse and rotational strains. When we plot, the values of the recorded strains against the force applied as a load. It is revealed that the variation between the two is linear, but with a negative...
experiments (Goos & Meintrup, 2016). The results of correlation are applicable in day to day life since the research occurs outside the lab. Correlation provides room for further studies by other researchers, and it may be easy to find results and cause of relations. One problem with correlations is that they show relationships but not their cause (Graham, 2008). Similarly, the finding of a correlation does not reveal the variable that influences the other. Unknown variables may influence others in a relationship causing confusion (Graham, 2008). Correlation shows whether a relationship is negative or positive (Graham, 2008). It is an appropriate method of showing quantifiable data. t-tests...
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experiment is carried out in a laboratory simulating the human cell to understand further the consequences of changing one of these cellular environmental conditions (temperature) affecting the physical; hence the working properties of the enzyme that catalyzes digestion of starch. Introduction Digestion of starch is a biochemical process that occurs in the human body, more specifically, the human mouth, as does other metabolic processes at the same time. An experiment simulating the human body conditions is carried to determine the rate of digestion of starch. Hypothesis In a given time, the rate of digestion of starch by enzyme amylase increases with the increase of temperature until the optimum...
experiment. Ivan Pavlov was a Russian physician credited with experiments that led to the concept of classical conditioning using a dog and a bell. Pavlov’s experiment involved hooking a dog to some form of mechanism that enabled measuring of the dog’s saliva as the bell rings before the dog is fed with a meat powder. The process continues to a point whereby the dog could salivate upon hearing the sound of the bell. There are four components of classical conditioning. Unconditioned stimulus is natural and instinctive eliciting the response which is targeted. Conditioned stimulus, on the other hand, causes the targeted response. Conditioned and unconditioned responses are almost similar, but their...
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EXPERIMENT 25: THE PRINICIPLE OF SUPERPOSITION Discussion and Conclusion The aim of this experiment was to use the dc circuit in verifying the principles of superposition. The digital millimeter (DMM) was used to measure the voltage and current, and the results recorded in the tables. Also, the resistance of the resistors used in the experiment was measured using a calibrated ohmmeter and recorded. Use of a calibrated Ohmmeter was necessary since this would otherwise result into a false reading. In the experiment, it was very necessary to measure the current from the individual voltage sources VS1 and VS2, something that was achieved by short circuiting one source, as current from the other source...
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experiment. Problem At this stage, the investigator needs to narrow down his or her observation to a simple question or questions that can be tested and answered. The question formed would then lead to the hypothesis or speculation of the investigation. Hypothesis The hypothesis is a statement that the investigator tests and then proves it either true or false. It is stated before starting the experiment, and the investigator should give an explanation why he or she chose it. It should be written down since it forms the basis of the experiment. However, it should not be changed even if the results turn out to be false. Science is not concerned about right or wrong, but coming up with an answer....
- Words: 550
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