600 NEIEP Final Exam / 51 Quizzes with
Definitive Solutions/ 2025
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 turns 1 rpm. What is the actual
speed of the drive sheave in rpms? - Answer: 30 rpm
Page 1 of 8
, Refer to the figure, for the comparator circuit shown, what will happen to the
output if the non-inverting input goes more positive than the inverting input? -
Answer: The output will go to zero.
Refer to the figure, for the inverting op amp shown, what is the output voltage? -
Answer: 25 mv
Which term defines the limit of magnetic strength around an inductor even
though the current through the coil increases? - Answer: Saturation
Which of the follow describes how an SCR is turned off? - Answer: Voltage is
removed from anode to cathode
On the fourteen pin DIP IC shown in figure 4 what is the location of pin 14? -
Answer: Top right
A brake coil has an inductance off 4 Henries - Answer:
The photodiode will conduct current when it detects? - Answer: Light
What does the circuit in figure 5 represent? - Answer: A relay timer
Page 2 of 8
Definitive Solutions/ 2025
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 turns 1 rpm. What is the actual
speed of the drive sheave in rpms? - Answer: 30 rpm
Page 1 of 8
, Refer to the figure, for the comparator circuit shown, what will happen to the
output if the non-inverting input goes more positive than the inverting input? -
Answer: The output will go to zero.
Refer to the figure, for the inverting op amp shown, what is the output voltage? -
Answer: 25 mv
Which term defines the limit of magnetic strength around an inductor even
though the current through the coil increases? - Answer: Saturation
Which of the follow describes how an SCR is turned off? - Answer: Voltage is
removed from anode to cathode
On the fourteen pin DIP IC shown in figure 4 what is the location of pin 14? -
Answer: Top right
A brake coil has an inductance off 4 Henries - Answer:
The photodiode will conduct current when it detects? - Answer: Light
What does the circuit in figure 5 represent? - Answer: A relay timer
Page 2 of 8
