Capacitors Study guides, Class notes & Summaries
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Neiep 600 Final Exam 2023 Graded A+
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In capacitors, what is the purpose of the dielectric? - ANSWER-Prevent arcing within the capacitor 
 
Which of the following is true about capacitors in AC circuits? - ANSWER-Current leads voltage all the time 
 
What describes a capacitor s ability to store an electrical charge? - ANSWER-Capacitance 
 
which of the following statements is correct about polarized electrolytic capacitors? - ANSWER-Voltage polarity must be correct 
 
What is the time constant for a circuit with 150k ohms and 2 mic...
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NEIEP 700 Final Exam Version 1 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A
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NEIEP 700 Final Exam Version 1 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: When an elevator constructor describes a normal open contact or a making contact he or she is describing the same contact configuration. 
 
 
Answer: 
True 
 
 
 
Q: As current flows through a relay's coil _______________________ generated by the coil will pull or pick the relay's armature . 
 
 
Answer: 
Magnetic field 
 
 
 
Q: The most common relay used today is the plug type....
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Neiep 600 Final Exam Review 2023
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Zener current will decrease - ANSWER-Refer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener diode? 
 
4v - ANSWER-Refer to figure 1. The zener diode is designed to breakdown at 6VDC what is the voltage drop across R1 with a constant DC supply of 10VDC 
 
30 rpm - ANSWER-An elevators motor rotates at 1200 rpm at contract speed and is geard at a ratio of 40:1. If the motor turns 40 rpm the sheave turns 1 rpm. What is the actual speed of the drive sheave ...
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ATT Test 3 Questions and Answers (Graded A)
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ATT Test 3 Questions and Answers (Graded A) 
Henry - ANSWER ️️ The basic unit of inductance 
Contracts - ANSWER ️️ If the circuit current decreases, the magnetic field of an 
inductor 
Concentrate a magnetic field - ANSWER ️️ The inductor is used to 
varies - ANSWER ️️ The physical appearance of inductors 
Print or color code - ANSWER ️️ Inductors have the value of their inductive capacity 
by 
Air and iron - ANSWER ️️ The common inductors are 
Core type - ANSWER ️️ I...
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Associate CET practice Exam Questions and Answers
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1. 8.33 meters is the full wavelength in air for what RF frequency: 36 mhz 
2. Decimal 164 would appear as ______ in Binary: 
3. A resistor has colorstripes yellow, voilet, silver it is: 470 MegOhm +/- -10 % 
4. what is the total capacitance of three capacitors valued at 100 pf, 100 pf 
and 50 pf when connected in series: 2
And that's how you make extra money
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NERC TOP System Operations EXAM Questions and Answers (Download To Score An A)
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At what torque angle of operation does power typically begin to flow from the generator to the system? A) 90 degrees B) 60 degrees C) 30 degrees D) 10 degrees 10 degrees Choose the answer that best describes the operation of a rotor. A) The stationary part of the transmission system. B) A type of superconductor. C) The stationary element of a generator that has its windings connected to the system. D) The excited (energized) field winding that rotates inside the stator to induce current into the...
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CETA Study Guide Questions With All Complete Solutions
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CETA Study Guide Questions With All Complete Solutions 
 
 
8.33 meters is the full wavelength in air for what RF frequency? - ANSWER- 36 MHz 
 
Decimal 164 would appear as what in binary? - ANSWER- 
 
A resistor has color stripes yellow, violet, violet, silver. It is? - ANSWER- 470 MegOhm +/- 10% 
 
What is the total capacitance of three capacitors valued at 100uf, 100uf and 50uf when connected in series? - ANSWER- 25 pf 
 
What is the ripple frequency of a full wave single phase bridge rectif...
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Level 2 Module 1 Alternating Currents correctly answered rated A+ 2023/2024
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Level 2 Module 1 Alternating Currents 
2:1 
What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? 
 
 
induced high voltage 
Opening the secondary of a CT under load will cause a dangerous level of___. 
 
 
40Hz 
What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 
 
 
340V 
Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 
 
 
175V 
A circuit has a peak voltage of 275V....
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NERC Final Assessment Exam Correct answers (Already GRADED A)
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When using a dynamic schedule and the energy profile in an hour is >250 MW and the actual hourly integration deviates from the hourly energy profile by ____ the tag must be modified. 
A. 100 MW 
B. 10% 
C. 50 MW 
D. 25% 
B. 10% 
 
 
Dry steam plants, flash steam plants, and binary cycle power plants are the three main types of what kind of generating plant? 
A. Nuclear generators 
B. Combustion turbine generators 
C. Geothermal generators 
D. Hydroelectric generators 
C. Geothermal generators...
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NERC Transmission Practice Test, Exam Q&As, A+ Guide
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NERC Transmission Practice Test, Exam Q&As, A+ Guide-Station #1 is at 539KV and station #2 is at 534 KV. Which direction will the MVAR typically flow? 
A. From station #1 to station #2 
B. From station #2 to station #1 
C. Downhill based on power angle 
D. Uphill based on power angle - A. From station #1 to station #2 
 
Each transmission operator shall arrange for supply of _____ resources within its boundaries to protect the voltage levels under contingency conditions 
A. Transmission 
B. Gene...
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Chapter 23 Electrostatic Energy and Capacitors
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Chapter 23 Electrostatic Energy and Capacitors
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