Lab Report On Rc Time Constant

Factory calibration was used for the thermistor. Time was placed on the horizontal axis of the graph, and temperature on the vertical axis. The digital precision was set at two digits past the decimal point.

Only three peaks were identified from the data and four were supposed to appear; 1,4-dichlorobutane was missing on the data. Reading from the handout that was posted online with an example GC run, the fourth peak is not on the graph because the GC was cut off too soon. In the example, the last peak came up around retention time 8.5. According to this data, GC was cut off around retention time 8.0. Another issue is that the second peak, 1,2-dichlorobutane to be precise, is very little. That is it is not even registered in the data. Due to not having the full data, the example GC run is used for this lab report.

\emph{Testing Strategy:} The graph between applied load in the range 0.5 grams to 575.5 grams and change in voltage is plotted. The graph obtained (see Figure~\ref{f:olggraph}) shows the inconsistent readings at many points for different combination of force applied. Also, the best curve equation is close to cubic, which is indication of bad design.\\*

Table 1: This table shows the position that the solution was at inside the graduated tube it was held in at each time interval it was measured.

For the first part of the lab, our goal was to calculate the time constant, , of an RC circuit. We made an RC series circuit and connected it to the Rigol wave generator to produce a square waveform for current. Then, we collected data of the voltage across the capacitor at different points in time using a myDAQ and the 4BL application. In order to find the time constant, we linearized the voltage we measured across the capacitor and then performed a linear regression on the data. The equation for the voltage across the capacitor as a function of time is:

A differential equation for the equivalent circuit can be derived by using Kirchoff's voltage law around the electrical loop. Kirchoff's voltage law states that the sum of all voltages around a loop must equal zero, or

Introduction: Voltage can be thought of as the pressure pushing charges along a conductor, while the electrical resistance of a conductor is a measure of how difficult it is to push the charges along. Using the flow analogy, electrical resistance is similar to friction. For water flowing through a pipe, a long narrow pipe provides more resistance to the flow than does a short fat pipe. The same applies for flowing currents: long thin wires provide more resistance than do short thick wires. The resistance (R) of a material depends on its length, cross-sectional area, and the resistivity (the Greek letter rho), a number that depends on the material. The resistivity

2. Try increasing the resistivity of the resistor, ρ. How does this change the “look” of the resistor? Describe how that relates to the formula you just wrote (direct, indirect relationships, etc.). What happens to the value of “R” (Resistance)? Is this something that can be changed in a resistor that you would buy in a store to use in a circuit?

Theoretical analysis is one of the most significant phases of the project. The high resistance measurement system developed during this project is primarily based

Boylestad, Robert L. Introductory Circuit Analysis, VitalSource for DeVry University, 12th Edition. Pearson Learning Solutions, 11/2012. VitalBook file.

Figure.10 (a) Hardware test bench set up (b) Gating pulses for 70 KHz from DSP processor (c) Input voltage and input current waveforms for 230Vrms (d) Input voltage and input current waveforms for 110 Vrms

The mean voltage of the battery terminals while connected to the identification resistors is presented in Figure ‎4 12. These samples have been pulled out from the voltage sensor of the PEB panel. The voltage decreased as expected from 12.53 to 12.5 during first 20 seconds of connection to the

The table below represents the average samples processed per hour and per step, based off the minimum, average, and maximum samples processed on exhibit 4. Separation numbers are half of the other process’s sample numbers because only 50% of samples go to separation.

Use a stopwatch to time 5 cycles and record the time in the data table.

Empty and clean the test tubes and repeat steps 2-10 again for a second dataset.