NEIEP 600 Final Exam 2025 – Complete
Study Guide & Key Concepts
In capacitors, what is the purpose of the dielectric? - ANSWER ✔✨---Prevent arcing within the
capacitor
Which of the following is true about capacitors in AC circuits? - ANSWER ✔✨---Current leads
voltage all the time
What describes a capacitor s ability to store an electrical charge? - ANSWER ✔✨---Capacitance
which of the following statements is correct about polarized electrolytic capacitors? -
ANSWER ✔✨---Voltage polarity must be correct
What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? -
ANSWER ✔✨---.3 seconds
If frequency is increased in a capacitave circuit what will happen? - ANSWER ✔✨---Capacitive
reactance will decrease
, What happens in a circuit, when the capacitor voltage equals the source voltage? - ANSWER ✔✨---
Current flow stops in the circuit
In a DC circuit, which is correct about capacitors the instant when power is applied? -
ANSWER ✔✨---Current is maximum
In the circuit shown in figure 1, what will be the total capacitance? - ANSWER ✔✨---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? - ANSWER ✔✨---5 seconds
What happens in a circuit, when the capacitor voltage equals the source voltage? - ANSWER ✔✨---
Current flow stops in the circuit
which statement best describes one time constant of a capacitor? - ANSWER ✔✨---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? -
ANSWER ✔✨---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? - ANSWER ✔✨---5 seconds
If two capacitors in parrallel have equal reactance of 40 ohms what is the total reactance? -
ANSWER ✔✨---20ohms
Which of the following would increase the DC working voltage DCWV of a capacitor -
ANSWER ✔✨---Increase the plate area and the dielectric thickness
Which statement is correct concerning capacitors? - ANSWER ✔✨---Increased plate area,
increases capacitance
Study Guide & Key Concepts
In capacitors, what is the purpose of the dielectric? - ANSWER ✔✨---Prevent arcing within the
capacitor
Which of the following is true about capacitors in AC circuits? - ANSWER ✔✨---Current leads
voltage all the time
What describes a capacitor s ability to store an electrical charge? - ANSWER ✔✨---Capacitance
which of the following statements is correct about polarized electrolytic capacitors? -
ANSWER ✔✨---Voltage polarity must be correct
What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? -
ANSWER ✔✨---.3 seconds
If frequency is increased in a capacitave circuit what will happen? - ANSWER ✔✨---Capacitive
reactance will decrease
, What happens in a circuit, when the capacitor voltage equals the source voltage? - ANSWER ✔✨---
Current flow stops in the circuit
In a DC circuit, which is correct about capacitors the instant when power is applied? -
ANSWER ✔✨---Current is maximum
In the circuit shown in figure 1, what will be the total capacitance? - ANSWER ✔✨---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? - ANSWER ✔✨---5 seconds
What happens in a circuit, when the capacitor voltage equals the source voltage? - ANSWER ✔✨---
Current flow stops in the circuit
which statement best describes one time constant of a capacitor? - ANSWER ✔✨---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? -
ANSWER ✔✨---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? - ANSWER ✔✨---5 seconds
If two capacitors in parrallel have equal reactance of 40 ohms what is the total reactance? -
ANSWER ✔✨---20ohms
Which of the following would increase the DC working voltage DCWV of a capacitor -
ANSWER ✔✨---Increase the plate area and the dielectric thickness
Which statement is correct concerning capacitors? - ANSWER ✔✨---Increased plate area,
increases capacitance
