Neiep 600 final test - Study guides, Class notes & Summaries

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...

NEIEP 600 Final Exam Version 2 (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: What is the time constant for a circuit with 150 K ohms and 2 microfarad capacitor? (TC = R x C) Answer: 0.3 seconds Q: How long will it take for this capacitor to be considered fully charged? Answer: 1.5 seconds Q: The voltage required to cause conduction across the junction in a germa- nium diode is? Answer: 0.3 Q: A 1.5 volt 8 milliamp light emitting diode needs to be operated...

Neiep 600 Final Test Questions with Correct Answers 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 th...

Neiep 600 Final Test Questions with Correct Answers If a circuit has a capacitor of 5 microfrauds and a source voltage of 120 volts DC through a resistance of 200k, how long will it take to fully charge? - Answer-5 seconds If two capacitors in parrallel have equal reactance of 40 ohms what is the total reactance? - Answer-20ohms Which of the following would increase the DC working voltage DCWV of a capacitor - Answer-Increase the plate area and the dielectric thickness Which statement is...

Neiep 600 Final Test Questions with Correct Answers

NEIEP 600 Final Test Questions and Correct Answers Refer to figure, If load resistance R2 is reduced by half, what happens to the zener diode? - ANSWER Zener current will decrease Refer to the figure, the zener diode is designed to breakdown at 6VDC. What is the voltage drop across resistor 1, with a constant DC supply of 10 VDC? - ANSWER 4V An elevators motor rotates at 1200 rpm at contract speed and is geared at a ratio of 40:1. If the motor turns 40 rpm the sheave tu...

NEIEP 600 Final Exam Version 1 (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: photodiode Answer: light Q: 15 bulbs,15amp breaker,14gauge,120volts Answer: 12.5A Q: 10,15,20 henries Answer: 4.61 henries Q: led symbol Answer: Q: testing transistors Answer: 7v drop collector-to-emitter=good junction Q: SCR symbol Answer: Q: 500 microfarad,10K ohm,125VDC Answer: 25secs Q: collector current transistor Answer: equal to emitter current Q: 3400lbs,2500lbs,40% Answe...

Mechanics Exam Review-NEIEP Comprehensive Questions With 100%Correct Answers. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANSWER-100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANSWER-Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is...

Mechanics Exam Review-NEIEP Comprehensive Questions With 100%Correct Answers. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANSWER-100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANSWER-Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is...