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FINAL REVIEW NEIEP 600 LATEST EXAM UPDATE
2024/2025 WITH QUESTIONS ,CORRECT ANSWERS AND
WELL LABELLED ILLUSTRATION DIAGRAMS
Zener current will decrease
Refer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener
diode?
4v
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
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 in rpms?
The output will go to zero
Refer to figure 2. For the comparator circuit shown, what will happen to the output of the non-inverting
input goes more positive than the inverting input?
-20 mv
Refer to figure 3. For the inverting op amp shown, what is the output voltage?
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Saturation
Which term defines the limit of magnetic strength around an inductor even though the current through
the coil increases
Voltage is removed from anode to cathode
Which of the following describes how an SCR is turned OFF?
Top right
On the fourteen pin DIP IC shown in figure 4 what is the location of pin 14
1507 ohms
A brake coil has an inductance of 4 henries. If the coil was placed into a circuit with an operating
frequency of 60hz the coil would have a resistance of:
light
The photodiode will conduct current when it detects
A relay timer
What does the circuit in figure 5 represent?
12.5 A
A string of temporary lighting has fifteen 100 watt bulbs. A 15 amp breaker is the maximum size that can
be used with the 14 gauge wire used in this 120 volt circuit. What is the current?
4.61 henries
If a circuit has three inductors in parallel of 10, 15, and 20 henries, what is the total inductance?
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FINAL REVIEW NEIEP 600 LATEST EXAM UPDATE
2024/2025 WITH QUESTIONS ,CORRECT ANSWERS AND
WELL LABELLED ILLUSTRATION DIAGRAMS
Zener current will decrease
Refer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener
diode?
4v
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
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 in rpms?
The output will go to zero
Refer to figure 2. For the comparator circuit shown, what will happen to the output of the non-inverting
input goes more positive than the inverting input?
-20 mv
Refer to figure 3. For the inverting op amp shown, what is the output voltage?
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Distribution of this document is illegal extra per year?
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Saturation
Which term defines the limit of magnetic strength around an inductor even though the current through
the coil increases
Voltage is removed from anode to cathode
Which of the following describes how an SCR is turned OFF?
Top right
On the fourteen pin DIP IC shown in figure 4 what is the location of pin 14
1507 ohms
A brake coil has an inductance of 4 henries. If the coil was placed into a circuit with an operating
frequency of 60hz the coil would have a resistance of:
light
The photodiode will conduct current when it detects
A relay timer
What does the circuit in figure 5 represent?
12.5 A
A string of temporary lighting has fifteen 100 watt bulbs. A 15 amp breaker is the maximum size that can
be used with the 14 gauge wire used in this 120 volt circuit. What is the current?
4.61 henries
If a circuit has three inductors in parallel of 10, 15, and 20 henries, what is the total inductance?
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Distribution of this document is illegal extra per year?
