NEIEP 600 Final Exam Questions And Solutions Verified 100% Correct With Diagram Illustrations

NEIEP 600 Final Exam Questions And Solutions Verified 100% Correct With Diagram Illustrations Which of the following factors determines the voltage rating of a capacitor? A resistor is placed in series with the capacitor What is usually done to protect large capacitors during charging? Excessive current in the coil circuit An MOV placed around a relay coil for voltage spike suppression has shorted. What would the effects be? They may be polarity sensitive Which of the following do you need to be aware of when using electrolytic capacitors? A low (0) on input A and a high (1) on input B Refer to figure 7. What inputs are necessary to get a low (0) on the output? To help drain voltage when power is removed Why are bleeder resistors sometimes connected across high voltage capacitors? 350uf/150VDC What is the total capacitance and the maximum applied voltage for the circuit in figure 8? Ripple voltage What is the AC component of a DC power supply output called? A high (1) on input A and B Refer to figure 9. What inputs are necessary to get a high (1) on the output? 0.3 seconds What is the time constant for a circuit with 150 K ohms and 2 microfarad capacitor? (TC = R x C) 1.5 seconds How long will it take for this capacitor to be considered fully charged? 0.3 The voltage required to cause conduction across the junction in a germanium diode is? 3k ohms A 1.5 volt 8 milliamp light emitting diode needs to be operated from a 24VDC circuit. What series resistance is required? Remove power and wear a grounded wrist strap When removing, installing and handling solid state circuit boards what precautions should be taken? 169.7 VAC What is the peak value of an AC voltage whose RMS value is 120 volts? They operate more accurately over a greater current and voltage range Which of the following statements is correct as to why DC power supply series regulators are better than shunt regulators? What is the binary equivalent of 131 10? 5AD What is the hexadecimal equivalent of 190 VDC What is the correct average output voltage for a full-wave bridge rectified using silicon diodes with a peak input supply voltage of 300 VAC 2.4 A The secondary load current of a 2300 to 120 volt transformer is 46 amperes. What is the current primary? (E = I x R)