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NEIEP 400 FINAL EXAM ALL QUESTIONS AND WELL ELABORATED ANSWERS TOP RATED VERSION FOR ALREADY A GRADED WITH EXPERT FEEDBACK | NEW AND REVISED BY EXPERTS $24.49
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NEIEP 400 FINAL EXAM ALL QUESTIONS AND WELL ELABORATED ANSWERS TOP RATED VERSION FOR ALREADY A GRADED WITH EXPERT FEEDBACK | NEW AND REVISED BY EXPERTS
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  • NEIEP 400

NEIEP 400 FINAL EXAM ALL QUESTIONS AND WELL ELABORATED ANSWERS TOP RATED VERSION FOR ALREADY A GRADED WITH EXPERT FEEDBACK | NEW AND REVISED BY EXPERTS

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  • July 18, 2024
  • 18
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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NEIEP 400 FINAL EXAM ALL QUESTIONS AND WELL ELABORAT ED ANSWERS TOP RATED VERSION FOR 2024 -2025 ALREADY A GRADED WITH EXPERT FEEDBACK | NEW AND REVISE D BY EXPERTS 1. Which is true when placing an ammeter into a circuit ?: The meter is placed in series with any component 2. Which of the following describes the most useful feature of the clamp - on ammeter ?: Does not require that connections be disturbed 3. Which of the following devices is an example of a reactive component that can store energy for long periods of time causing an electrical hazard even with power removed ?: Capacitor 4. What must be done when testing a resistance to avoid false readings caused by parallel circuit paths ?: Remove one of the two wires to the item being tested 5. A minus sign in front of a reading of the digital voltmeter indicates which of the following ?: The positive lead is connected to the negative source 6. Which of the following statements best describes CEMF ?: Opposes the applied voltage . 7. Refer to the figure . What will be the phase relationship between the primary and secondary voltages ?: The secondary voltage will be 180 ° out of phase . 8. Which type of transformer would be used to prevent noise from being fed back to the line without changing the voltage levels ?: Isolation transformer 9. What is the power available from a 68 kVA transformer connected in open delta configuration ?: 39.44 kVA 10. The secondary winding of an 11,000 volt to 220 volt transformer has 50 windings on the secondary How many turns are on the primary winding ?: 2500 turns 11. A transformer has 728 turns on the primary winding and 56 turns on the secondary With 120 volts applied on the primary , what is the output voltage on the secondary ?: 9.23 volts 12. A transformer has a primary voltage of 440 V with 100 turns and a 15 : 1 voltage ratio of transformation . With a primary current of 25 amps , what is the current in the secondary ?: 375 amps 13. Which statement best describes eddy currents ?: They are circulating cur- rents set up by magnetic induction . 14. With the following values : Ep = 208 VAC ; Es = 35 VAC ; Ip = 3.8 amps ; Is = 21.42 amps , what is the efficiency of this transformer ?: 95 % 15. Which of the following would describe a transformer with a fixed voltage transformation ratio of 1:12 ?: Step - up transformer 16. Which of the following would describe a transformer with a primary current of 27 amps and a secondary current of 1 amp ?: Step - down transformer

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