ASA Prepware General Written master
Study Guide Exam Questions And Answers
The working voltage of a capacitor in an AC circuit should be... -
correct answer ✅at least 50% greater than the highest applied
voltage
The term that described the combined resistive forces in an AC
circuit is... -
correct answer ✅Impedance
What is the opposition to the flow of AC produced by a magnetic
field with a generated back voltage (EMF) called? -
correct answer ✅Inductive resistance
Electrostatic fields are also known as... -
correct answer ✅Dielectric fields
The basis for transformer operation in the use of alternating current
is mutual... -
correct answer ✅inductance
What factors strengthen a coil inductor? -
correct answer ✅Adding coils close together
,ASA Prepware General Written master
Study Guide Exam Questions And Answers
An increase in which of the following factors will cause an increase
in the inductive reactance of a circuit? -
correct answer ✅Inductance and frequency
When different rated capacitors are connected in series in a circuit,
the total capacitance is... -
correct answer ✅Less than the capacitance of the lowest rated
capacitor
Capacitors are sometimes used in DC circuits to... -
correct answer ✅Smooth out slight pulsations in current/voltage
The amount of electricity a capacitor can store is directly
proportional to the... -
correct answer ✅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? -
correct answer ✅.0125 microfarads
,ASA Prepware General Written master
Study Guide Exam Questions And Answers
What is the total capacitance of a circuit containing three capacitors
in parallel with capacitances of .02 microfarads, .05 microfarads, .10
microfarads, respectively? -
correct answer ✅.170 microfarads
Convert farads to microfarads by... -
correct answer ✅Multiplying farads by 10 to the power of 6.
Convert farads to picofarads by... -
correct answer ✅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 -
correct answer ✅effective values
When different rated capacitors are connected in parallel in a
circuit, the total capacitance is... -
correct answer ✅equal to the sum of all the capacitances
When inductors are connected in series in a circuit, the total
inductance is -
correct answer ✅equal to the sum of the individual inductances.
, ASA Prepware General Written master
Study Guide Exam Questions And Answers
When more than two inductors of different inductances are
connected in parallel in a circuit, the total inductance is... -
correct answer ✅less than the inductance of the lowest rated
inductor
What requires the most electrical power during operation? -
correct answer ✅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. -
correct answer ✅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? -
correct answer ✅25.2 amps
Study Guide Exam Questions And Answers
The working voltage of a capacitor in an AC circuit should be... -
correct answer ✅at least 50% greater than the highest applied
voltage
The term that described the combined resistive forces in an AC
circuit is... -
correct answer ✅Impedance
What is the opposition to the flow of AC produced by a magnetic
field with a generated back voltage (EMF) called? -
correct answer ✅Inductive resistance
Electrostatic fields are also known as... -
correct answer ✅Dielectric fields
The basis for transformer operation in the use of alternating current
is mutual... -
correct answer ✅inductance
What factors strengthen a coil inductor? -
correct answer ✅Adding coils close together
,ASA Prepware General Written master
Study Guide Exam Questions And Answers
An increase in which of the following factors will cause an increase
in the inductive reactance of a circuit? -
correct answer ✅Inductance and frequency
When different rated capacitors are connected in series in a circuit,
the total capacitance is... -
correct answer ✅Less than the capacitance of the lowest rated
capacitor
Capacitors are sometimes used in DC circuits to... -
correct answer ✅Smooth out slight pulsations in current/voltage
The amount of electricity a capacitor can store is directly
proportional to the... -
correct answer ✅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? -
correct answer ✅.0125 microfarads
,ASA Prepware General Written master
Study Guide Exam Questions And Answers
What is the total capacitance of a circuit containing three capacitors
in parallel with capacitances of .02 microfarads, .05 microfarads, .10
microfarads, respectively? -
correct answer ✅.170 microfarads
Convert farads to microfarads by... -
correct answer ✅Multiplying farads by 10 to the power of 6.
Convert farads to picofarads by... -
correct answer ✅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 -
correct answer ✅effective values
When different rated capacitors are connected in parallel in a
circuit, the total capacitance is... -
correct answer ✅equal to the sum of all the capacitances
When inductors are connected in series in a circuit, the total
inductance is -
correct answer ✅equal to the sum of the individual inductances.
, ASA Prepware General Written master
Study Guide Exam Questions And Answers
When more than two inductors of different inductances are
connected in parallel in a circuit, the total inductance is... -
correct answer ✅less than the inductance of the lowest rated
inductor
What requires the most electrical power during operation? -
correct answer ✅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. -
correct answer ✅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? -
correct answer ✅25.2 amps
