lab - Electromagnetism
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UNT PHYS 2240 Lab SPRING 2021 - Alymjan
Rejepov/Experiment 1: Test Equipment/Experiment
Assignment # 1B
Name Lab 1 Experiment
I worked in a group with
Evan Hathaway - Jun 30, 2020, 11:32 AM CDT
Update and Submit
Equipment
Content LA Thirteen - Jun 08, 2020, 1:31 AM CDT
1 Digital Storage Oscilloscope SDS 1052
2 Oscilloscope Probes
1 Arbitrary Waveform Generator SDG 810
1 Digital Multimeter EX 330
2 BNC Male-Dual Banana adapter
3 Resistors 330, 560 & 1000 Ω
2 Batteries AA & AAA
2 BNC to BNC cable
1 BNC T connector M to 2 F
Content LA Thirteen - Jun 08, 2020, 1:32 AM CDT
Procedure A: Digital Multimeter Basics
Content LA Thirteen - Jun 08, 2020, 1:32 AM CDT
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1. Using the DMM, measure the DC voltage of the AA and then the AAA battery by touching the black lead to the negative terminal and the red
lead to the positive terminal.
Select the proper setting on the DMM to observe the desired quantity!
2. Using the DMM, measure the AC voltage of the AA and AAA batteries.
3. Answer Analysis Question 1.
4. Measure the resistance of the provided set of resistors, and calculate the percent error compared to the expected value by the color code. Do the
measured values lie within the expected tolerance range? Recall how to calculate percent error:
R1 (Ω) R2 (Ω) R3 (Ω)
By color code
Measured resistance
Percent error
Table 1: Resistance measurement comparison to color code
5. Complete Table 1 and answer Analysis Question 2.
Content LA Thirteen - Jun 08, 2020, 12:57 PM CDT
Procedure B: Oscilloscope and function generator basics
Content LA Thirteen - Jun 08, 2020, 1:38 AM CDT
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1. Power on both the function generator and oscilloscope.
2. Using function generator, set up a sine wave with Vpp = 5 V having a frequency of 500 Hz.
3. Click “Output” on the function generator to generate the signal.
4. Use the digital multimeter (making sure AC voltage setting is selected) to measure the root-mean-square voltage provided by the signal generator.
You may need to use a BNC to Dual Banana Plug Test Lead for the output channel of signal generator.
Vrms,DMM = 3/7/2021 UNT PHYS 2240 Lab SPRING 2021 - Alymjan Rejepov/Experiment 4: Series and Parallel Circuits/Experiment - LabArchives, Your Electro…
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UNT PHYS 2240 Lab SPRING 2021 - Alymjan
Rejepov/Experiment 4: Series and Parallel Circuits/Experiment
Assignment # 4B
Name Lab 4 Experiment
I worked in a group with
Evan Hathaway - Jun 30, 2020, 11:22 AM CDT
Update and Submit
Equipment
Content LA Thirteen - Jun 11, 2020, 11:06 PM CDT
1 AC/DC Electronics Laboratory EM-8656
1 Set of circuit components
1 Digital Storage Oscilloscope TBS-1052
2 Oscilloscope Probes
1 Digital Multimeter EX 330
1 DC Power Supply TP3005T
Content LA Thirteen - Jun 11, 2020, 11:06 PM CDT
Resistor Check
Content LA Thirteen - Jun 11, 2020, 11:06 PM CDT
To properly analyze circuits and series and parallel, we should know the actual resistance values of each resistor being used. In other words, recall that
each resistor’s resistance value can fall within an acceptable tolerance range, denoted by the usually gold (+/- 5\%) or silver (+/- 10\%) band. We should
then first measure each resistor with our digital multimeter.
1. Locate the six resistors needed: 2x 100 Ω, 2x 330 Ω, and 2x 560 Ω resistors.
2. Begin by using the DMM to measure each resistor. Make sure the meter is set to measure resistance, and record each resistance value
in Table 1 below.
Table 1: Measured Resistor Values
R1 = 330 Ω R2 = 560 Ω R3 = 100 Ω R4 = 100 Ω R5 = 560 Ω R6 = 330 Ω
Content LA Thirteen - Jun 11, 2020, 11:09 PM CDT
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Procedure A: Series and Parallel Resistor Circuits
Content LA Thirteen - Jun 11, 2020, 11:10 PM CDT
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Figure 4: The digital multimeter is inserted in series with the power supply to determine the current provided by the source. The “A” symbol refers to
ammeter, which is the DMM in current sensing mode. Note: it does not matter with which terminal (+ or -) the DMM is placed in series, since the
current entering the circuit must equal the current leaving the circuit. This will be the concept of Lab 6 (Kirchhoff’s Laws).
In this experiment, we must measure the total current being provided to each circuit, which is directly being supplied by the DC Power supply.
Therefore, we will use the digital multimeter in current sensing mode, i.e., as an ammeter, to measure the current be3/7/2021 UNT PHYS 2240 Lab SPRING 2021 - Alymjan Rejepov/Experiment 2: Electric Field Plotting/Experiment - LabArchives, Your Electronic La…
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UNT PHYS 2240 Lab SPRING 2021 - Alymjan
Rejepov/Experiment 2: Electric Field Plotting/Experiment
Assignment # 2B
Name Lab 2 Experiment
I worked in a group with
Evan Hathaway - Jun 30, 2020, 11:32 AM CDT
Update and Submit
Equipment
Content LA Thirteen - Jun 10, 2020, 8:33 PM CDT
1 Field Mapper Kit PK-9023
Replacement Supplies:
Conductive Ink Pen PK-9031B
Conductive Paper w grid PK-9025
Conductive Paper (no grid) PK-9026
1 Short Patch Cords SE-7123
1 Digital Multimeter EX 330
1 DC Power Supply TP3005T
Content LA Thirteen - Jun 10, 2020, 8:36 PM CDT
Setup
Content LA Thirteen - Jun 10, 2020, 8:36 PM CDT
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Figure 2: Setup
Figure 3: Patterns
1. Prepare the patterns in Figure 3 using the conductive pen and conductive paper. The patterns must dry completely before use. The letters are for
reference only and should not be drawn on the paper. The + and – are to show where to connect the electrodes and should not be drawn on the paper.
The circles in patterns C are free floating and should not be connected to the power supply.
2. Attach the conductive paper with the pattern on it to the cork board with push pins at the four corners. The paper is not very conductive, but must
carry a little current for the voltage sensor to work. The fact that the paper carries a small current actually affects the electric field somewhat and near
the edges of the paper the effects may be noticeable.
Content LA Thirteen - Jun 10, 2020, 8:58 PM CDT
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3. Insert the push pins into the appropriate electrodes on the pattern drawn on the conductive paper. It is important that you do not bump the
electrode push pins during the experiment since doing so may change the voltages on the paper. This is not a disaster since the shapes of the
equipotential surfaces will not be affected, but it is frustrating to be tracing a 4.0 V surface that suddenly becomes a 3.0 V surface.
4. Connect the DC power supply’s output (plus and minus) to the silver push pins using the banana plug cables and alligator clip (See Figure 2).
5. Turn the DC Power supply on. Using the DC regulated power supply, set the volt3/7/2021 UNT PHYS 2240 Lab SPRING 2021 - Alymjan Rejepov/Experiment 5: Capacitance and RC Circuit/Experiment - LabArchives, Your Electr…
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UNT PHYS 2240 Lab SPRING 2021 - Alymjan
Rejepov/Experiment 5: Capacitance and RC Circuit/Experiment
Assignment # 5B
Name Lab 5 Experiment
I worked in a group with
Evan Hathaway - Jun 30, 2020, 11:33 AM CDT
Update and Submit
Equipment
Content LA Thirteen - Jun 12, 2020, 1:19 AM CDT
1 Basic Electrometer ES – 9078
1 Basic Variable Capacitor ES – 9079
1 Electrostatics Voltage Source ES – 9077
1 Short Patch Cords (set of 8) SE-7123
1 Resistor/Capacitor/Inductor Network UI-5210
1 Voltage Sensor UI-5100
1 Short Patch Cord Set SE-7123
1 850 Universal Interface UI-5000
1 PASCO Capstone UI-5400
1 Digital Storage Oscilloscope TBS-1052
1 Oscilloscope
1 Arbitrary Waveform Generator SDG 810
1 BNC Male-Dual Banana Adaptor
Content LA Thirteen - Jun 12, 2020, 1:20 AM CDT
Setup A: Capacitance
Content LA Thirteen - Jun 12, 2020, 1:20 AM CDT
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Figure A1: Setup Figure A2: Indicator Foot
1. Move the Variable Capacitor plates so they are about 2 mm apart.
2. Adjust screws on the back of the moveable plate to make the plates parallel.
3. Position the movable plate so the leading edge of the indicator foot (see Fig. A2) is at the 0.2 cm position. The gap between the two
plates should be 2 mm all the way around.
4. Attach the twin lead (red & black) connector to the Signal Input jack on the Basic Electrometer.
5. Attach the black spade end of the twin lead to the fixed plate
6. Attach the red spade end of the twin lead to the movable plate
7. Attach a black banana/banana wire as shown from the common (com) terminal on the Electrostatic Voltage Source to the ground
terminal on the Electrometer.
8. Attach the red banana/banana lead to the +30V terminal and leave one end free.
9. Attach an adaptor cable from the Electrometer signal output to the universal interface analog input A.
10. Plug in the power supply for the Electrostatic Voltage Source.
11. Shift the switch on the back to the On position. The green Power On light should glow.
Important Note:
The edge effects are significant if the approximation of large plates relative to the gap size is not fulfilled. If the gap increases the
dependence of potential difference of initially charged capacitor versus the gap size bend from linear dependence.
If the edge effects are significant the measured potential difference will be sensitive to environment near the capacitor, for example:
how
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Literature search
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Electromagnetism
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The inbound logistics for William Instrument refer to purchase components from various electronic firms. During the purchase process William need to consider the quality and price of the components. In this case
4. A U.S. Supreme Court case known as Furman v. Georgia (1972) is a landmark case that involved Eighth Amendment’s ban of unusual and cruel punishment in death penalty cases (Furman v. Georgia (1972)
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