AMT GENERAL TEST GUIDE WITH ALL CORRECT & 100%
VERIFIED ANSWERS|ACTUAL COMPLETE EXAM|
ALREADY GRADED A+
the working voltage of a capacitor in an AC circuit shoulw be ✔Correct Answer-at least 50 percent
greater than the highest applied voltage
the term that describes 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 generated back voltage
(EMF) called? ✔Correct Answer-inductive reactance
electrostatic fields are also known as ✔Correct Answer-dielectric fields
The basis for transformer operation is in the use of alternating current is mutual ✔Correct Answer-
inductance
The opposition offered by a coil to the flow of alternating current is called (disregard resistance)
✔Correct Answer-inductive reactance
what factors strengthen a coil inductor ✔Correct Answer-adding coils close together
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 the 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.
In an AC circuit, the effective voltage is ✔Correct Answer-less than the maximum instantaneous
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 with capacitances of .02
microfarad, .05 microfarad, and .10 microfarad, respectively ✔Correct Answer-.0125 uF
What is the total capacitance of a circuit containing three capacitors in parallel with capacitances
of .02 microfarad, .05 microfarad, and .10 microfarad, respectively ✔Correct Answer-.170 uF
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 (where the magnetic fields
of each inductor do not affect the others) ✔Correct Answer-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 ✔Correct Answer-less than the inductance of the lowest rated inductor
What is the total capacitance of a certain circuit containing three capacitors with capacitances of .25
microfarad, .03 microfarad and .12 microfarad, respectively ✔Correct Answer-.4 uF
Which requires the most electrical power during operation ✔Correct Answer-two lights requiring 3
amperes each in a 24-volt parallel system
How much power must a 24-volt generator furnish to a system which contains the following loads
✔Correct Answer-450 watts
A 12-volt 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 watts
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-25.23 amperes
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?
✔Correct Answer-994.6
The potential difference between two conductors which are insulated from each other is measured
in ✔Correct Answer-volts
Which effect does not apply to the movement of electrons flowing in a conductor? ✔Correct
Answer-Static energy
A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of four resistors of
equal value. What is the voltage drop across of each resistor? ✔Correct Answer-24 volts
When calculating power in a reactive or inductive AC circuit, the true power is ✔Correct Answer-less
than the apparent power
(Look at image pg. 7) How much power is being furnish to the circuit ✔Correct Answer-2,645 watts
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? ✔Correct
Answer-10 ohms
VERIFIED ANSWERS|ACTUAL COMPLETE EXAM|
ALREADY GRADED A+
the working voltage of a capacitor in an AC circuit shoulw be ✔Correct Answer-at least 50 percent
greater than the highest applied voltage
the term that describes 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 generated back voltage
(EMF) called? ✔Correct Answer-inductive reactance
electrostatic fields are also known as ✔Correct Answer-dielectric fields
The basis for transformer operation is in the use of alternating current is mutual ✔Correct Answer-
inductance
The opposition offered by a coil to the flow of alternating current is called (disregard resistance)
✔Correct Answer-inductive reactance
what factors strengthen a coil inductor ✔Correct Answer-adding coils close together
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 the 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.
In an AC circuit, the effective voltage is ✔Correct Answer-less than the maximum instantaneous
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 with capacitances of .02
microfarad, .05 microfarad, and .10 microfarad, respectively ✔Correct Answer-.0125 uF
What is the total capacitance of a circuit containing three capacitors in parallel with capacitances
of .02 microfarad, .05 microfarad, and .10 microfarad, respectively ✔Correct Answer-.170 uF
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 (where the magnetic fields
of each inductor do not affect the others) ✔Correct Answer-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 ✔Correct Answer-less than the inductance of the lowest rated inductor
What is the total capacitance of a certain circuit containing three capacitors with capacitances of .25
microfarad, .03 microfarad and .12 microfarad, respectively ✔Correct Answer-.4 uF
Which requires the most electrical power during operation ✔Correct Answer-two lights requiring 3
amperes each in a 24-volt parallel system
How much power must a 24-volt generator furnish to a system which contains the following loads
✔Correct Answer-450 watts
A 12-volt 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 watts
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-25.23 amperes
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?
✔Correct Answer-994.6
The potential difference between two conductors which are insulated from each other is measured
in ✔Correct Answer-volts
Which effect does not apply to the movement of electrons flowing in a conductor? ✔Correct
Answer-Static energy
A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of four resistors of
equal value. What is the voltage drop across of each resistor? ✔Correct Answer-24 volts
When calculating power in a reactive or inductive AC circuit, the true power is ✔Correct Answer-less
than the apparent power
(Look at image pg. 7) How much power is being furnish to the circuit ✔Correct Answer-2,645 watts
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? ✔Correct
Answer-10 ohms
