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Resistor and thermistor (Example)

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A lab Report on Resistors and Resistance Student Name Institution Names A lab Report on Resistors and Resistance using a Wheatstone Bridge circuit to measure. Introduction According to Chen (2009 a thermistor is one type of resistor whose resistance precisely differs with temperature. The use of a thermometer can range from fully functioning thermometer to ordinary current limiter. Thermistors are of two types one with a positive coefficient and the other with a negative coefficient. This lab report is presented to determine unknown resistance in the case of unknown temperature. Wheatstone Bridge circuit refers to set up of electric circuit with two known resistance i.e. one unknown resistance and one known resistance (Dunets 1980). A variable resistor controls a known resistance and upon connecting a Wheatstone Bridge circuit to a power supply unknown resistance is determined. structure starts to violate vigorously they expand thus resistance is mediated. Conclusion This experiment aimed to investigate circuit resistance investigate an existing relationship between current and voltage in numerous resistors and relate the findings obtained of resistors (as transducers). The trend from figure 2 shows that current increases with increase in voltage thus Ohm’s Law is clearly demonstrated. So long as resistance remain constant one-unit increase in current result to 32.829 increase in voltage. Thus resistance does change with temperature hence indirectly proportional to current (Davis 1969). Reference Chen  C. (2009). Evaluation of resistance–temperature calibration equations for NTC thermistors. Measurement  42(7) 1103-1111. Davis  J. C. (1969). Radiation errors in air ducts under no isothermal conditions using thermocouples thermistors and a resistance thermometer. Dunets  B. V. (1980). Current generator for converting the resistance of thermistors into voltage. Measurement Techniques  23(10) 915-917. [...]

Order Description:

The topic is: Resistors and resistance The method and results obtained during the practical investigation into Resistors (p 40 – 44 of the lab manual) is the basis of this report. Results will be presented on: • one of the resistors on page 41, 18 Ω or 33 Ω • one of the circuit components on page 42, thermistor, copper wire or lightbulb. The format of this report must follow the outline in the Biophysics lab manual (and for more detail, Scientific Writing in the School of Sciences Student Handbook). This will be discussed further in the tutorial in week 8. The marking criteria for this report will include: Cover sheet Title Introduction Method Results (tables and graphs) Discussion Conclusion Presentation (including referencing, APA 6th Ed)

Subject Area: Physics

Document Type: Math Solving

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Project's rating is 5/5

Price $25

Words 825

Pages 3

Completed in 1 day

Expert Ranjiy

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