Drill 5
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University of Central Oklahoma *
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Electrical Engineering
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Apr 3, 2024
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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
If the resistors used for charging and discharging were the same, the charging anddischarging waveform would be ________.a. Symmetricalb. Nonsymmetrical
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What's 15 16 17
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Cylindrical metallic parabolic trough
solar thermal collectors.
1. Does not rotate.
2. It rotates around one axis only.
3. It rotates around two axes only.
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5. They can produce a temperature
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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
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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.
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Choose the correct answer
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please see attachment, thank you
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The principle operation of LVDT is based on the variation of
Select one
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c. Mutual inductance d. Permanence
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Answer The following problem. Base on the given Table. Show complete solutions.
View Image
*Here's the whole questions. Answer only number 4.
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need part a, b and c asap i willl give you upvote
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Where is the best place in a circuit to find absolute zero when measuring voltage?
O At the negative terminal of the battery.
O At the positive terminal of the battery.
O At either side of the circuit protection device.
O On the ground side of the load device.
ore
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so then how is Rth 0.8695 kOhms in the original explanation?
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- If the resistors used for charging and discharging were the same, the charging anddischarging waveform would be ________.a. Symmetricalb. Nonsymmetricalarrow_forwardWhat's 15 16 17arrow_forwardCylindrical metallic parabolic trough solar thermal collectors. 1. Does not rotate. 2. It rotates around one axis only. 3. It rotates around two axes only. 4. They can produce a temperature of20-100 °C. 5. They can produce a temperature of200-400 °C. 6. They can produce a temperature of2000-4000 °C. O 1 + 4 only. O 2 + 5 only. 2 + 6 only O 3 + 5 only.arrow_forward
- 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_forwardChoose the correct answerarrow_forwardplease see attachment, thank youarrow_forward
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- Where is the best place in a circuit to find absolute zero when measuring voltage? O At the negative terminal of the battery. O At the positive terminal of the battery. O At either side of the circuit protection device. O On the ground side of the load device. orearrow_forwardso then how is Rth 0.8695 kOhms in the original explanation?arrow_forward
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