NEIEP600 final Questions well answered 2024/2025

NEIEP600 finalRefer to figure, If load resistance R2 is reduced by half, what happens to the zener diode? - correct 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? - correct 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? - correct answer 30 rpm 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? - correct answer The output will go to zero. Refer to the figure, for the inverting op amp shown, what is the output voltage? - correct answer 25 mv Which term defines the limit of magnetic strength around an inductor even though the current through the coil increases? - correct answer Saturation Which of the follow describes how an SCR is turned off? - correct 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? - correct answer Top right A brake coil has an inductance off 4 Henries - correct answer The photodiode will conduct current when it detects? - correct answer Light What does the circuit in figure 5 represent? - correct answer A relay timer