Neiep 600 Final Exam 2025 Questions and
Answers
In capacitors, what is the purpose of the dielectric? - ANS Prevent arcing within the capacitor
Which of the following is true about capacitors in AC circuits? - ANS Current leads voltage all
the time
What describes a capacitor s ability to store an electrical charge? - ANS Capacitance
which of the following statements is correct about polarized electrolytic capacitors? -
ANS Voltage polarity must be correct
What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? - ANS .3
seconds
If frequency is increased in a capacitave circuit what will happen? - ANS Capacitive reactance
will decrease
What happens in a circuit, when the capacitor voltage equals the source voltage? -
ANS Current flow stops in the circuit
In a DC circuit, which is correct about capacitors the instant when power is applied? -
ANS Current is maximum
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, In the circuit shown in figure 1, what will be the total capacitance? - ANS 250 u(micro) farads
If a circuit has a capacitor of 5 microfrauds and a source voltage of 120 volts DC through a
resistance of 200k, how long will it take to fully charge? - ANS 5 seconds
What happens in a circuit, when the capacitor voltage equals the source voltage? -
ANS Current flow stops in the circuit
which statement best describes one time constant of a capacitor? - ANS The time it takes to
charge to 63.2% of applied voltage
In a DC circuit, which is correct about capacitors the instant when power is applied? -
ANS Current is maximum
If a circuit has a capacitor of 5 microfrauds and a source voltage of 120 volts DC through a
resistance of 200k, how long will it take to fully charge? - ANS 5 seconds
If two capacitors in parrallel have equal reactance of 40 ohms what is the total reactance? -
ANS 20ohms
Which of the following would increase the DC working voltage DCWV of a capacitor -
ANS Increase the plate area and the dielectric thickness
Which statement is correct concerning capacitors? - ANS Increased plate area, increases
capacitance
Which of the following is the unit used for measuring capacitance? - ANS Farad
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
Answers
In capacitors, what is the purpose of the dielectric? - ANS Prevent arcing within the capacitor
Which of the following is true about capacitors in AC circuits? - ANS Current leads voltage all
the time
What describes a capacitor s ability to store an electrical charge? - ANS Capacitance
which of the following statements is correct about polarized electrolytic capacitors? -
ANS Voltage polarity must be correct
What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? - ANS .3
seconds
If frequency is increased in a capacitave circuit what will happen? - ANS Capacitive reactance
will decrease
What happens in a circuit, when the capacitor voltage equals the source voltage? -
ANS Current flow stops in the circuit
In a DC circuit, which is correct about capacitors the instant when power is applied? -
ANS Current is maximum
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, In the circuit shown in figure 1, what will be the total capacitance? - ANS 250 u(micro) farads
If a circuit has a capacitor of 5 microfrauds and a source voltage of 120 volts DC through a
resistance of 200k, how long will it take to fully charge? - ANS 5 seconds
What happens in a circuit, when the capacitor voltage equals the source voltage? -
ANS Current flow stops in the circuit
which statement best describes one time constant of a capacitor? - ANS The time it takes to
charge to 63.2% of applied voltage
In a DC circuit, which is correct about capacitors the instant when power is applied? -
ANS Current is maximum
If a circuit has a capacitor of 5 microfrauds and a source voltage of 120 volts DC through a
resistance of 200k, how long will it take to fully charge? - ANS 5 seconds
If two capacitors in parrallel have equal reactance of 40 ohms what is the total reactance? -
ANS 20ohms
Which of the following would increase the DC working voltage DCWV of a capacitor -
ANS Increase the plate area and the dielectric thickness
Which statement is correct concerning capacitors? - ANS Increased plate area, increases
capacitance
Which of the following is the unit used for measuring capacitance? - ANS Farad
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
