ASA PREPWARE
GENERAL WRITTEN
MASTER STUDY GUIDE
QUESTIONS AND
ANSWERS GRADED A+
2025-2026
The working voltage of a capacitor in an AC circuit should be... - ANS-at least 50%
greater than the highest applied voltage
The term that described the combined resistive forces in an AC circuit is... - ANS-
Impedance
What is the opposition to the flow of AC produced by a magnetic field with a generated
back voltage (EMF) called? - ANS-Inductive resistance
Electrostatic fields are also known as... - ANS-Dielectric fields
The basis for transformer operation in the use of alternating current is mutual... - ANS-
inductance
What factors strengthen a coil inductor? - ANS-Adding coils close together
,An increase in which of the following factors will cause an increase in the inductive
reactance of a circuit? - ANS-Inductance and frequency
When different rated capacitors are connected in series in a circuit, the total
capacitance is... - ANS-Less than the capacitance of the lowest rated capacitor
Capacitors are sometimes used in DC circuits to... - ANS-Smooth out slight pulsations
in current/voltage
The amount of electricity a capacitor can store is directly proportional to the... - ANS-
Plate area and inversely proportional to the distance between the plates.
What is the total capacitance of a certain circuit containing three capacitors in series
with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively? -
ANS-.0125 microfarads
What is the total capacitance of a circuit containing three capacitors in parallel with
capacitances of .02 microfarads, .05 microfarads, .10 microfarads, respectively? - ANS-
.170 microfarads
Convert farads to microfarads by... - ANS-Multiplying farads by 10 to the power of 6.
Convert farads to picofarads by... - ANS-multiplying farads by 10 to the power of 12
Unless otherwise specified, any values given for current or voltage in an AC circuit are
assumed to be - ANS-effective values
When different rated capacitors are connected in parallel in a circuit, the total
capacitance is... - ANS-equal to the sum of all the capacitances
When inductors are connected in series in a circuit, the total inductance is - ANS-equal
to the sum of the individual inductances.
,When more than two inductors of different inductances are connected in parallel in a
circuit, the total inductance is... - ANS-less than the inductance of the lowest rated
inductor
What requires the most electrical power during operation? - ANS-Two lights requiring 3
amperes each in a 24 volt parallel system
A 12V electric motor has 1,000 Watts input and 1 horsepower output. Maintaining the
same efficiency, how much input power will a 24 volt, 1 horsepower electric motor
require. - ANS-1,000
How many amperes will a 28 volt generator be required to supply to a circuit
containing five lamps in parallel, three of which have a resistance of 6 ohms each and
two of which have a resistance of 5 ohms each? - ANS-25.2 amps
A 1 horsepower, 24 Volt DC electric motor that is 80 percent efficient requires 932.5
watts. How much power will a 1-horsepower, 12 volt DC electric motor that is 75
percent efficient require? - ANS-994.6 watts
The potential difference between two conductors which are from each other is
measured in... - ANS-Volts
Which effect does not apply to the movement of the electrons flowing in a conductor. -
ANS-Static energy
A 24V source is required to furnish 48 watts to a parallel circuit consisting of four
resistors of equal value. What is the voltage drop across each resistor? - ANS-24V
When calculating power in a reactive or inductive AC circuit, the true power is... - ANS-
Less than the apparent power.
What is the impedance of an AC-series circuit consisting of an inductor with a
reactance of 10 ohms, a capacitor with a reactance of 4 ohms and a resistor with a
resistance of 8 ohms? - ANS-10 ohms
, What will a voltmeter read if properly connected across a closed switch in a circuit
with electrical power on? - ANS-0V
The correct way to connect a test voltmeter in a circuit is... - ANS-in parallel with a unit
Which term means .001 Amp - ANS-milliamp
what does the leter Q symbolize when measuring electrical charge? - ANS-Coulomb
A cabin entry light of 10 watts and a dome light of 20 watts are connected in parallel
to a 30 Volt source. If the voltage across the 10 watt light is measured, it will be... -
ANS-Equal to the voltage across the 20 watt
A 14 ohm resistor is to be installed in a series circuit carrying .05 amps. How much
power will the resistor be required to dissipate? - ANS-At least 35 milliwatts
.002KV equals... - ANS-2.0 volts
The opposition offered by a coil to the flow of alternating current is called... - ANS-
inductive reactance
Diodes are used in electrical power supply circuits primarily as... - ANS-rectifiers
If each cell, connected in series, equals 2 volts, how would a 12-cell lead acid battery be
rated? - ANS-24 volts
Which requires the most electrical power? - ANS-A 1/5-horsepower, 24-volt motor
which is 75 percent efficient.
Transfer of electric energy from one circuit to another without the aid of electrical
connection... - ANS-is called induction
GENERAL WRITTEN
MASTER STUDY GUIDE
QUESTIONS AND
ANSWERS GRADED A+
2025-2026
The working voltage of a capacitor in an AC circuit should be... - ANS-at least 50%
greater than the highest applied voltage
The term that described the combined resistive forces in an AC circuit is... - ANS-
Impedance
What is the opposition to the flow of AC produced by a magnetic field with a generated
back voltage (EMF) called? - ANS-Inductive resistance
Electrostatic fields are also known as... - ANS-Dielectric fields
The basis for transformer operation in the use of alternating current is mutual... - ANS-
inductance
What factors strengthen a coil inductor? - ANS-Adding coils close together
,An increase in which of the following factors will cause an increase in the inductive
reactance of a circuit? - ANS-Inductance and frequency
When different rated capacitors are connected in series in a circuit, the total
capacitance is... - ANS-Less than the capacitance of the lowest rated capacitor
Capacitors are sometimes used in DC circuits to... - ANS-Smooth out slight pulsations
in current/voltage
The amount of electricity a capacitor can store is directly proportional to the... - ANS-
Plate area and inversely proportional to the distance between the plates.
What is the total capacitance of a certain circuit containing three capacitors in series
with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively? -
ANS-.0125 microfarads
What is the total capacitance of a circuit containing three capacitors in parallel with
capacitances of .02 microfarads, .05 microfarads, .10 microfarads, respectively? - ANS-
.170 microfarads
Convert farads to microfarads by... - ANS-Multiplying farads by 10 to the power of 6.
Convert farads to picofarads by... - ANS-multiplying farads by 10 to the power of 12
Unless otherwise specified, any values given for current or voltage in an AC circuit are
assumed to be - ANS-effective values
When different rated capacitors are connected in parallel in a circuit, the total
capacitance is... - ANS-equal to the sum of all the capacitances
When inductors are connected in series in a circuit, the total inductance is - ANS-equal
to the sum of the individual inductances.
,When more than two inductors of different inductances are connected in parallel in a
circuit, the total inductance is... - ANS-less than the inductance of the lowest rated
inductor
What requires the most electrical power during operation? - ANS-Two lights requiring 3
amperes each in a 24 volt parallel system
A 12V electric motor has 1,000 Watts input and 1 horsepower output. Maintaining the
same efficiency, how much input power will a 24 volt, 1 horsepower electric motor
require. - ANS-1,000
How many amperes will a 28 volt generator be required to supply to a circuit
containing five lamps in parallel, three of which have a resistance of 6 ohms each and
two of which have a resistance of 5 ohms each? - ANS-25.2 amps
A 1 horsepower, 24 Volt DC electric motor that is 80 percent efficient requires 932.5
watts. How much power will a 1-horsepower, 12 volt DC electric motor that is 75
percent efficient require? - ANS-994.6 watts
The potential difference between two conductors which are from each other is
measured in... - ANS-Volts
Which effect does not apply to the movement of the electrons flowing in a conductor. -
ANS-Static energy
A 24V source is required to furnish 48 watts to a parallel circuit consisting of four
resistors of equal value. What is the voltage drop across each resistor? - ANS-24V
When calculating power in a reactive or inductive AC circuit, the true power is... - ANS-
Less than the apparent power.
What is the impedance of an AC-series circuit consisting of an inductor with a
reactance of 10 ohms, a capacitor with a reactance of 4 ohms and a resistor with a
resistance of 8 ohms? - ANS-10 ohms
, What will a voltmeter read if properly connected across a closed switch in a circuit
with electrical power on? - ANS-0V
The correct way to connect a test voltmeter in a circuit is... - ANS-in parallel with a unit
Which term means .001 Amp - ANS-milliamp
what does the leter Q symbolize when measuring electrical charge? - ANS-Coulomb
A cabin entry light of 10 watts and a dome light of 20 watts are connected in parallel
to a 30 Volt source. If the voltage across the 10 watt light is measured, it will be... -
ANS-Equal to the voltage across the 20 watt
A 14 ohm resistor is to be installed in a series circuit carrying .05 amps. How much
power will the resistor be required to dissipate? - ANS-At least 35 milliwatts
.002KV equals... - ANS-2.0 volts
The opposition offered by a coil to the flow of alternating current is called... - ANS-
inductive reactance
Diodes are used in electrical power supply circuits primarily as... - ANS-rectifiers
If each cell, connected in series, equals 2 volts, how would a 12-cell lead acid battery be
rated? - ANS-24 volts
Which requires the most electrical power? - ANS-A 1/5-horsepower, 24-volt motor
which is 75 percent efficient.
Transfer of electric energy from one circuit to another without the aid of electrical
connection... - ANS-is called induction
