Current and circuits - 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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NST1502 Assignment 4 (Portfolio) 2024 | Due 8 October 2024
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NST1502 Assignment 4 (Portfolio) 2024 | Due 8 October 2024. All questions answered. 
 
QUESTION 1 
Energy Basics [18 marks] 
1.1 
Define and explain the different forms of energy, providing real-world examples for each. (Focus on the following forms of energy; Kinetic energy; potential energy; thermal energy; chemical energy; electrical energy, light energy, and sound energy). (14) 
1.2 
Discuss the concept of energy transformation, giving examples of how one form of energy can be converted into...
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ATT Test 2 Questions and Answers Latest Updated 2023
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ATT Test 2 Questions and Answers Latest Updated 2023 
Definition of series circuit 
Current flows in a single path through all components 
 
 
 
In which direction does current flow? 
Negative to positive 
 
 
 
Current is the ____ throughout whole circuit 
Same 
 
 
 
4 steps of troubleshooting 
Analyze, check setup, calculate/measure, check results 
 
 
 
An open series component drops _____ volts 
Applied 
 
 
 
Resistance is how much over open component? 
Max or infinite 
 
 
 
Short provide...
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PICAT Verification Test practice Questions with 100% Correct Answers
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PICAT Verification Test practice Questions with 100% Correct Answers 
In making permanent electronic connections, use? [Ans:- soldering iron 
 
When current flow is interrupted by a blown fuse, the circuits becomes? [Ans:- Open 
 
A standard multimeter does not measure? [Ans:- frequency 
 
Electric current flowing from one component to the next is an example of what kind of circuit? [Ans:- Series 
 
In order to make an electric current flow, it is necessary to have? [Ans:- Copper conductors 
 
...
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NCCER ELECTRICAL LEVEL 3 Module 6 Distribution Equipment exam questions and answers
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Which of the following is true with regard to switchboards 
Switchboards are used to subdivide large blocks of power 
 
 
 
When installing wiring within switchgear, use self adhesive cable ties every ___. 
12" (300mm) 
 
 
 
The maximum voltage that a piece of equipment can withstand is known as its ____. 
Basic impulse insulation level (BIL) 
 
 
 
Bolted pressure switches are often used in place of ___. 
Circuit breakers 
 
 
 
A transformer's temperature rise rating refers to ___. 
The max...
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NCCER Electrical module 3 (intro to electrical circuits) Exam Questions And Answers All Verified
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NCCER Electrical module 3 (intro to electrical circuits) Exam Questions And Answers All Verified 
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - ANS 500w 
 
voltage is defined as the? - ANS driving force that makes current flow in a circuit 
 
if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - ANS 240 volts 
 
if two 10 ohm resistors are connected in series, what is the total resistance of the resistors? ...
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ELECTRICAL LEVEL 3 MODULE 1 LOAD CALCULATIONS AND BRANCH FEEDER CIRCUITS
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According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? - correct answer 3 
 
Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? - correct answer 225% 
 
Conductors must be derated when installed in conduit - correct answer on or above rooftops 
 
Continuous loads are cal...
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BICSI Practice Test exam 2023 with 100% correct answers
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The 2 main considerations concerning the existing cabling are? - correct answer Grandfathered system 
Abandoned cable 11-25 
 
The type of cutover where cross-connects are relocated one pair after another until completed is called a - correct answer rolling cut 11-28 
 
Which practice involves moving the customer to a temporary office space until their section of the retrofit is completed and then moving them back to their recabled office space? - correct answer Swing space phasing 
 
Whic...
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ABYC Advanced Pretest Exam Questions and Answers (SCORED A+)
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An inter-circuit short can cause: - ANSWER -" All of the above; Unrelated circuits to operate simultaneously; Components to work at reduced capacity; An over-current situation" 
 
Which of the following is addressed by ABYC A-32? - ANSWER -Power conditioning and conversion 
 
LED navigation lights are required to meet: - ANSWER -72 Colregs 
 
Which of the following are recommended for 3-phase shore power? - ANSWER -Power conditioning and phase-rotation monitoring 
 
Which of the following ...
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Neiep 600 final Test Guide 2024
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In capacitors, what is the purpose of the dielectric? - Prevent arcing within the capacitor 
 
Which of the following is true about capacitors in AC circuits? - Current leads voltage all the time 
 
What describes a capacitor s ability to store an electrical charge? - Capacitance 
 
which of the following statements is correct about polarized electrolytic capacitors? - Voltage polarity must be correct 
 
What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? - .3 seco...
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