Drill 5
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University of Central Oklahoma *
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2114
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Electrical Engineering
Date
Apr 3, 2024
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4
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© Add one more victory to Central’s history! © Name: /\ 0 \/\\\'M éC H?M Drill #5, Spring 2023. MWF 9-9:50 -/ / Page 1 of 4 AA cells have an EMF of 1.50 V. When a current of 0.250 A is drawn from the cell, its terminal voltage is measured to be 1.30 V. 1. [5 pts] Sketch cell, including the EMEF, the current, and the internal resistance. r-“u’ 2. What is the internal resistance of the AA cell? Identify Variables and Constants. Write “?” if the value is initially unknown. Required. Symbol Description Value Units VU/EMF = Electromotive force of AA cell = 1.50 v K = Terminal voltage of AA cell Y= 1.30 v T = Current drawn from AA cell = 0.250 A R = Internal resistance of AA cell = ? Q Accepted Equations [3 pts] Show your work here. Keep the units at each step! [5 pts] U= TR /U; - @/gmgf - Kin: T Q\;‘* - Uerr —;JT/I ALy - 0.y Symbol Value Units Final answer. [2 pts] K. = 0.¢ L+ Q
© Add one more victory to Central's history! © Name: Drill #5, Spring 2023. MWEF 9-9:50 Page 2 of 4 Paul Peter Jingleheimer-Schmidt is installing a lightning rod on the side of his house. The lightning rod is 7.29 m long and has a circular cross-section with a radius of 2.00x102 m. The lightning rod is made of stainless steel, which has a resistivity of 69.0x10® Q-m. 3. [5 pts] Sketch the situation described above, showing the radius and length of the rod. PN 4. What is the resistance of the lightning rod? Identify Variables and Constants. Write “?” if the value is initially unknown. Required. Symbol Description Value Units L = Length of lightning rod = 7.29 m = Radius of lightning rod = 2.00x1072 m Fool= Resistivity of stainless steel = 6.90x107 Q'm Q = Resistance of lightning rod = ? Q Accepted Equations [3 pts] Show your work here. Keep the units at each step! [5 pts] - PL AL (Wox 0T em) (T 24 Y s R= & Q- W,%.ooxm' o\ T A= pv = 4.00xIp 3.0 Final 2 pts] Symbol Value Units inal answer. [2 pts , —7 R =1 4000 Q
®© Add one more victory to Central's history! @ Name: Drill #5, Spring 2023. MWEF 9-9:50 Page 3 of 4 A 500-22 resistor is in series with another resistor. The voltage across the combination of resistors is 1.00x10? V. The total power dissipated is 8.00 W. 5. [5 pts] Sketch the two resistors in series and the voltage across the combination. AN 0 VK Y 2 i /\ AAA A 'f\v’\/’\“ —— 7= "b[ 6. What is the resistance of the other resistor? - Identify Variables and Constants. Write “?” if the value is initially unknown. Required. Symbol Description Value Units R, = Resistance of resistor #1 = 5.00x10? Q “\// = Voltage across combination of resistors = 1.00x10? v @ = Total power dissipated = 8.00 W R. |= Resistance of resistor #2 = ? Q Accepted Equations [3 pts] Show your work here. Keep the units at each step! [5 pts] QSU‘\LS N ip\r\ R=vp = QO0XI0" Y /iy = 1230 P-7"JQ ‘Q‘KU.\LS N V\l ) @\’L Q‘l = R - g\ - WS0 9 -S0p S = 700 O Symbol Value Units Final answer. [2 pts] Re =] 2
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® Add one more victory to Central’s history! © Name: Drilt#5, Spring 2023. MWF 9-9:50 Page 4 of 4 A 500-L2 resistor is in parallel with another resistor. The total current through the combination of resistors is 2.00x10* A. The total power dissipated is 8.00 W. 7. [5 pts] Sketch the two resistors in parallel and the total current through the combination. 8. What is the resistance of the other resistor? Identify Variables and Constants. Write “?” if the value is initially k41 Lt v YNV = unknown. Required. Symbol Description Value Units Q\ = Resistance of resistor #1 = 5.00x10? Q Ty | = Current through combination of resistors = 2.00x10™ A 4 = Total power dissipated = 8.00 W R, |= Resistance of resistor #2 = ? Q Accepted Equations [3 pts] Show your work here. Keep the units at each step! [5 pts] @Qum\u - E‘E’T \@::\1@ T~ ’h = LW “/(1.00x\b“ A = 2000 | = t 2{){7)9\ /:S:m__(; n ) el vl Ty ?\1 - (O‘OOBS—’JL 3333% QL Symbol Value Units Final answer. [2 pts] B =] 233.>
Related Questions
The schematic is step 7
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Post Test
Choose the letter of the correct answer. Write the chosen letter on a separate sheet of paper.
1. It is a smail component that lights up when current flows through it.
a. Capacitor
2. It regulates the amount of current flowing in an electronic circuit.
a. Capacitor
3. These are devices or components which do not require an external source to their operation.
b. Fuse
c. LED
d. Resistor
b IC
c. Inductors
d. Resistor
c. passive devices
d. electrical devices
a. active devices
b. electronic components
4. It is a three-terminal active component that is used mainly in boosting or amplifying electrical
signals; both AF and RF ranges.
a. Capacitor
5. it is necessary to turn the electrical circuit "on" or "off"
a. Fuse
6. Testing tools that are capable of executing tests, reporting outcomes, and comparing results
with earlier test runs
a. Automated
7. The testing method that starts a soon as code is written and continues in successive stages
as code is combined with other units of…
arrow_forward
Choose the correct answer
arrow_forward
Can you help me set up my breadboard so I can ...
Measure the values of base current, _________, collector current, _________ ?
arrow_forward
please see attachment, thank you
arrow_forward
In the figure below you see the sketches for the front and back of an electrical circuit board. The board is
cut into a trapezoidal shape and is made of plastic. On the back of the board there is conductive paint
shown here in green. On the front there are some resistors and capacitors, in addition to terminals for
inserting the leads from a DC power supply. The legs of the resistors and capacitors go through the holes
on the board and are soldered to the conducting paint on the back side. You also have a multi-meter which
you can use as an ammeter or a voltmeter.
16 v
4700
16
10
8
O-
7
3.
6.
4
O+
arrow_forward
The reverse breakdown voltage of LED is very low.
O True
O False
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These Insulators are used when equal Voltage is
required across each Insulator unit.
O A. RADING INSULATORS
O B. GRADING INSULATORS
O C. STRAINING INSULATORS
O D. GAINING INSULATORS
arrow_forward
SEE MORE QUESTIONS
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Related Questions
- The schematic is step 7arrow_forwardPost Test Choose the letter of the correct answer. Write the chosen letter on a separate sheet of paper. 1. It is a smail component that lights up when current flows through it. a. Capacitor 2. It regulates the amount of current flowing in an electronic circuit. a. Capacitor 3. These are devices or components which do not require an external source to their operation. b. Fuse c. LED d. Resistor b IC c. Inductors d. Resistor c. passive devices d. electrical devices a. active devices b. electronic components 4. It is a three-terminal active component that is used mainly in boosting or amplifying electrical signals; both AF and RF ranges. a. Capacitor 5. it is necessary to turn the electrical circuit "on" or "off" a. Fuse 6. Testing tools that are capable of executing tests, reporting outcomes, and comparing results with earlier test runs a. Automated 7. The testing method that starts a soon as code is written and continues in successive stages as code is combined with other units of…arrow_forwardChoose the correct answerarrow_forward
- Can you help me set up my breadboard so I can ... Measure the values of base current, _________, collector current, _________ ?arrow_forwardplease see attachment, thank youarrow_forwardIn the figure below you see the sketches for the front and back of an electrical circuit board. The board is cut into a trapezoidal shape and is made of plastic. On the back of the board there is conductive paint shown here in green. On the front there are some resistors and capacitors, in addition to terminals for inserting the leads from a DC power supply. The legs of the resistors and capacitors go through the holes on the board and are soldered to the conducting paint on the back side. You also have a multi-meter which you can use as an ammeter or a voltmeter. 16 v 4700 16 10 8 O- 7 3. 6. 4 O+arrow_forward
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Recommended textbooks for you
- Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning
Power System Analysis and Design (MindTap Course ...
Electrical Engineering
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:Cengage Learning