Prepware: Basic Electricity Questions With Complete Solutions
Can't add pictures, so you have to draw the figures or look in the book/preware.
Typos may occur, double check if answer is correct
YOU have to cut these out yourself - (ANSWER)Can't add pictures, so you have to draw the figures or
look in the book/preware.
Typos may occur, double check if answer is correct
YOU have to cut these out yourself
8001.
The working voltage of a capacitor in an AC circuit should be - (ANSWER)At least 50% greater than the
highest applied voltage
8002.
The term that describes the combined resistive forces in an AC circuit is - (ANSWER)Impedance
8002-1.
What is the opposition to the flow of AC produced by a magnetic field with generated back voltage
(EMF) called? - (ANSWER)Inductive reactance
8002-2.
Electrostatic fields are also known as - (ANSWER)Dielectric fields
8003.
The basis for transformer operation in the use of alternating current is mutual - (ANSWER)Inductance
8004.
,Prepware: Basic Electricity Questions With Complete Solutions
The opposition offered by a coil to the flow of alternating current is called (disregard resistance) -
(ANSWER)Inductive reactance
8004-1.
What factors strengthen a coil inductor? - (ANSWER)Adding coils close together
8005.
An increase in which of the following factors will cause an increase in the inductive reactance of a
circuit? - (ANSWER)Inductance and frequency
8006. (Refer to Fig.1)
When different rated capacities are connected in series in a circuit, the total capacitance is: -
(ANSWER)Less than the capacitance of the lowest rated capacitor
8006-1.
Capacitors are sometimes used in DC circuits to - (ANSWER)Smooth out slight pulsations in
current/voltage
8007.
In an AC circuit, the effective voltage is - (ANSWER)Less than the maximum instantaneous voltage
8008.
The amount of electricity a capacitor can store is directly proportional to the - (ANSWER)Plate area and
inversely proportional to the distance between the plates
8009. (Refer to Fig. 2)
What is the total capacitance of a certain circuit containing three capacitors with capacitances of .02
microfarad, .05 microfarad, and .10 microfarad, respectively? - (ANSWER).0125μF.
8009-1.
, Prepware: Basic Electricity Questions With Complete Solutions
What is the total capacitance of a circuit containing three capacitors in parallel with capacitances of .02
microfarad, 0.5 microfarad, and .10 microfarad, respectively? - (ANSWER).170μF
8009-2.
Convert farads to microfarads by - (ANSWER)Multiplying farads by 10 to the power of 6
8009-3.
Convert farads to picofarads by - (ANSWER)Multiplying farads by 10 to the power of 12
8010.
Unless otherwise specified, any values given for current or voltage in an AC circuit are assumed to be -
(ANSWER)Effective values
8011.
When different rated capacitors are connected in parallel in a circuit, the total capacitance is
(Note: CT = C1 + C2 + C3 ...) - (ANSWER)Equal to the sum of all the capacitances
8012.
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)
(Note: LT = L1 + L2 + L3 ...) - (ANSWER)Equal to the sum of the individual inductances
8013. (Refer to Fig.3)
When more than 2 inductors of different inductances are connected in parallel in a circuit, the total
inductances. - (ANSWER)less than the inductance of the lowest rated inductor.
8014.
What is the total capacitance of a certain circuit containing three capacitors with capacitances of .25
microfarad, .03 microfarad, and .12 microfarad, respectively?
(Note: CT = C1 + C2 + C3 ...) - (ANSWER).4 μF
Can't add pictures, so you have to draw the figures or look in the book/preware.
Typos may occur, double check if answer is correct
YOU have to cut these out yourself - (ANSWER)Can't add pictures, so you have to draw the figures or
look in the book/preware.
Typos may occur, double check if answer is correct
YOU have to cut these out yourself
8001.
The working voltage of a capacitor in an AC circuit should be - (ANSWER)At least 50% greater than the
highest applied voltage
8002.
The term that describes the combined resistive forces in an AC circuit is - (ANSWER)Impedance
8002-1.
What is the opposition to the flow of AC produced by a magnetic field with generated back voltage
(EMF) called? - (ANSWER)Inductive reactance
8002-2.
Electrostatic fields are also known as - (ANSWER)Dielectric fields
8003.
The basis for transformer operation in the use of alternating current is mutual - (ANSWER)Inductance
8004.
,Prepware: Basic Electricity Questions With Complete Solutions
The opposition offered by a coil to the flow of alternating current is called (disregard resistance) -
(ANSWER)Inductive reactance
8004-1.
What factors strengthen a coil inductor? - (ANSWER)Adding coils close together
8005.
An increase in which of the following factors will cause an increase in the inductive reactance of a
circuit? - (ANSWER)Inductance and frequency
8006. (Refer to Fig.1)
When different rated capacities are connected in series in a circuit, the total capacitance is: -
(ANSWER)Less than the capacitance of the lowest rated capacitor
8006-1.
Capacitors are sometimes used in DC circuits to - (ANSWER)Smooth out slight pulsations in
current/voltage
8007.
In an AC circuit, the effective voltage is - (ANSWER)Less than the maximum instantaneous voltage
8008.
The amount of electricity a capacitor can store is directly proportional to the - (ANSWER)Plate area and
inversely proportional to the distance between the plates
8009. (Refer to Fig. 2)
What is the total capacitance of a certain circuit containing three capacitors with capacitances of .02
microfarad, .05 microfarad, and .10 microfarad, respectively? - (ANSWER).0125μF.
8009-1.
, Prepware: Basic Electricity Questions With Complete Solutions
What is the total capacitance of a circuit containing three capacitors in parallel with capacitances of .02
microfarad, 0.5 microfarad, and .10 microfarad, respectively? - (ANSWER).170μF
8009-2.
Convert farads to microfarads by - (ANSWER)Multiplying farads by 10 to the power of 6
8009-3.
Convert farads to picofarads by - (ANSWER)Multiplying farads by 10 to the power of 12
8010.
Unless otherwise specified, any values given for current or voltage in an AC circuit are assumed to be -
(ANSWER)Effective values
8011.
When different rated capacitors are connected in parallel in a circuit, the total capacitance is
(Note: CT = C1 + C2 + C3 ...) - (ANSWER)Equal to the sum of all the capacitances
8012.
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)
(Note: LT = L1 + L2 + L3 ...) - (ANSWER)Equal to the sum of the individual inductances
8013. (Refer to Fig.3)
When more than 2 inductors of different inductances are connected in parallel in a circuit, the total
inductances. - (ANSWER)less than the inductance of the lowest rated inductor.
8014.
What is the total capacitance of a certain circuit containing three capacitors with capacitances of .25
microfarad, .03 microfarad, and .12 microfarad, respectively?
(Note: CT = C1 + C2 + C3 ...) - (ANSWER).4 μF
