Lab-1 Basic_Measurements Document
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University of North Texas *
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1910
Subject
Electrical Engineering
Date
Apr 3, 2024
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docx
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2
Uploaded by SargentHyenaPerson1020
University of North Texas, College of Engineering
Department of Electrical Engineering
EENG 1910 – Introduction to Electrical Engineering
Lab 1: Basic Laboratory Measurement (Tables)
Table 1:
Resistor
Color Bands
Calculated
Value
(Ohm)
Tolerance
Measured
Value
(Ohm)
Percentage
Error (%)
Within
Tolerance?
1
brown-red-red-(gold)
1.2KΩ
5%
1.18KΩ
1.7%
yes
2
Yellow-violet-
brown-(gold)
470Ω
5%
463Ω
1.5%
yes
3
Red-red-red-(gold)
2.2KΩ
5%
2.17KΩ
1.4%
yes
4
Orange-orange-
brown-(gold)
330Ω
5%
324Ω
1.8%
yes
5
Table 2:
Serial
Number
Power Supply
Value
DMM Value
1
3V
3.00V
2
6V
6.00V
3
12V
12.00V
4
20V
19.97V
5
40V
40.04V
Post-lab Assignments
Prepare and submit a small report for Lab 1. The report should include your experience with the
lab, lessons learned, and answers to the following post-lab exercise.
1. Exercise
a. Based on measurement results in Experiment 1, calculate the percentage error
between the measured and calculated resistance values using the formula below
and enter your values under the “Percentage Error (%)” column of Table-1.
Percentage error = abs (Measured Value – Calculated Value) x 100
Calculated Value. (Refer to table above).
b. Are the calculated percentage errors less or equal to the corresponding values of
the tolerance? Enter your answers in the “Within Tolerance?” column of Table-1.
The calculated values entered are less than or equal to the tolerance therefore, they are within the
tolerance.
c. What is the importance of a resistor in a circuit?
The significance of a resistor is to reduce current flow in a circuit, its task is to provide resistance
to the current flow.
d. What is a power supply? Why is a power supply needed to test a circuit? Can it be
replaced by another component to make your circuit portable?
A power supply is a key component in a circuit that is needed to run a circuit. Without a power supply, you don’t have a working circuit. Replacing a power supply proves to be more difficult as it is an essential component of a circuit.
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Related Questions
If the measured values for resistors #1, #2 and # 3 are 552, 549 and 549 Ohms
calculate the %error (measured difference from expected value as a percentage) for
each resistor. Are they within tolerance (or specification) of manufacturer?
#1 98.4% #2 97.9% #3 97.9% Yes within specification
a.
b. #1 1.6% #2 2.1% #3 2.1% Yes within specification
#1 1.6% #2 2.1% #3 2.1% No outside specification
Ос.
Use Ohm's Law to calculate the equivalent resistance of R12, R23 and R123 (as
specified in the lab manual) using measured resistances #1 552 Ohms, #2 549
Ohms, #3 549 Ohms
R,
R2
R,=
R12
R23
arrow_forward
3. The figure on the left below shows a schematic diagram of a battery. The voltage measured by
U1 is called the terminal voltage given R1 = 1 ohm. In the figure on the right below, the terminal
voltage of each of the battery-resistor combination is Vr = 1.5 volts. Find the following:
a. The current passing through R5.
b. The currents passing through R1 and R3
C. The voltage across R1.
d. The voltage of the battery EMF.
e. The percentage of voltage loss ot the battery due to the internal resistance R1.
The power dissipated by the internal resistance R1.
g. The power dissipated by R5 if R1 = R2 = R3 = R4 = 0.
h. The percentage of power dissipation loss due to the four resistors R1, R2, R3, and R4
f.
R1
R3
S10
R1
U1
1.500
EMF
EMF
R5
100
V1
R2
$10
EMF
R4
EMF
EMF
arrow_forward
Question-4: (A) Show the voltage waveforms across each half of the secondary winding and across
R1 when a 100 V peak sine wave is applied to the primary winding in Figure 2.
(B) What minimum PIV rating must the diodes have?
D
2:1
IN4001
+100 V --
V ov
RL
-100 V
10 kN
IN4001
arrow_forward
Please answer in typing format solution
arrow_forward
Question 5
Assume the zener diodes are all ideal in the circuit below and let V1=3.7 V, R1=935
2, R2=1,04702, and R3=855. Determine the output voltage Vo. Express your
answer in Volts and round to the 1st digit to the right of the decimal.
R1
V1
D1
5V
R2
D2
3V
{R3
D3
2V
Vo
arrow_forward
2 What is the equivalent of 1 Farad into ratio?
Select one:
a.
1 Volt per Joule
b.
1 Volt per Coulomb
c.
1 Joule per Volt
d.
1 Coulomb per Volt
arrow_forward
If the line voltage in the figure is increased, ideally +5 V output
Please choose one:
a.
increase
b.
reduction
c.
constant
arrow_forward
Why are these versions of diode circuits called clipping circuits?
**please type it using keyboard NOt handwriting**
arrow_forward
Voltmeter can measure
DC current
a.
O b. only DC voltage
Oc only AC voltage
both DC and AC voltage
d.
arrow_forward
SEE MORE QUESTIONS
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Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIAL
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ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT
Related Questions
- If the measured values for resistors #1, #2 and # 3 are 552, 549 and 549 Ohms calculate the %error (measured difference from expected value as a percentage) for each resistor. Are they within tolerance (or specification) of manufacturer? #1 98.4% #2 97.9% #3 97.9% Yes within specification a. b. #1 1.6% #2 2.1% #3 2.1% Yes within specification #1 1.6% #2 2.1% #3 2.1% No outside specification Ос. Use Ohm's Law to calculate the equivalent resistance of R12, R23 and R123 (as specified in the lab manual) using measured resistances #1 552 Ohms, #2 549 Ohms, #3 549 Ohms R, R2 R,= R12 R23arrow_forward3. The figure on the left below shows a schematic diagram of a battery. The voltage measured by U1 is called the terminal voltage given R1 = 1 ohm. In the figure on the right below, the terminal voltage of each of the battery-resistor combination is Vr = 1.5 volts. Find the following: a. The current passing through R5. b. The currents passing through R1 and R3 C. The voltage across R1. d. The voltage of the battery EMF. e. The percentage of voltage loss ot the battery due to the internal resistance R1. The power dissipated by the internal resistance R1. g. The power dissipated by R5 if R1 = R2 = R3 = R4 = 0. h. The percentage of power dissipation loss due to the four resistors R1, R2, R3, and R4 f. R1 R3 S10 R1 U1 1.500 EMF EMF R5 100 V1 R2 $10 EMF R4 EMF EMFarrow_forwardQuestion-4: (A) Show the voltage waveforms across each half of the secondary winding and across R1 when a 100 V peak sine wave is applied to the primary winding in Figure 2. (B) What minimum PIV rating must the diodes have? D 2:1 IN4001 +100 V -- V ov RL -100 V 10 kN IN4001arrow_forward
- Please answer in typing format solutionarrow_forwardQuestion 5 Assume the zener diodes are all ideal in the circuit below and let V1=3.7 V, R1=935 2, R2=1,04702, and R3=855. Determine the output voltage Vo. Express your answer in Volts and round to the 1st digit to the right of the decimal. R1 V1 D1 5V R2 D2 3V {R3 D3 2V Voarrow_forward2 What is the equivalent of 1 Farad into ratio? Select one: a. 1 Volt per Joule b. 1 Volt per Coulomb c. 1 Joule per Volt d. 1 Coulomb per Voltarrow_forward
- If the line voltage in the figure is increased, ideally +5 V output Please choose one: a. increase b. reduction c. constantarrow_forwardWhy are these versions of diode circuits called clipping circuits? **please type it using keyboard NOt handwriting**arrow_forwardVoltmeter can measure DC current a. O b. only DC voltage Oc only AC voltage both DC and AC voltage d.arrow_forward
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Recommended textbooks for you
- Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningEBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT