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GROL Test

Enter the letter for the matching Answer
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1.
Good conductors with minimum resistance have what type of electrons?
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2.
By what factor must the voltage measured in an AC circuit, as indicated on the scale of an AC voltmeter, be multiplied to obtain the average voltage value?
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3.
What is the term used to identify an AC voltage that would cause the same heating in a resistor as a corresponding value of DC voltage?
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4.
What is the RMS voltage at a common household electrical power outlet?
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5.
How might you reduce the inductance of an antenna coil?
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6.
What will produce a magnetic field?
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7.
What are the two basic types of junction field-effect transistors?
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8.
What metal is usually employed as a sacrificial anode for corrosion control purposes?
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9.
The product of the readings of an AC voltmeter and AC ammeter is called:
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10.
What is meant by the term “back EMF”?
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11.
Which of the following groups is correct for listing common materials in order of descending conductivity?
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12.
The opposition to the creation of magnetic lines of force in a magnetic circuit is known as:
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13.
Permeability is defined as:
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14.
What happens to reactive power in a circuit that has both inductors and capacitors?
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15.
Corrosion resulting from electric current flow between dissimilar metals is called:
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16.
What device is used to store electrical energy in an electrostatic field?
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17.
What is the basic unit of electrical power?
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18.
By what factor must the voltage of an AC circuit, as indicated on the scale of an AC voltmeter, be multiplied to obtain the peak voltage value?
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19.
An AC ammeter indicates:
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20.
What is the purpose of a bypass capacitor?
A.
A current flowing through a conductor.
B.
Capacitor.
C.
It removes alternating current by providing a low impedance path to ground.
D.
Watt.
E.
N-channel and P-channel.
F.
Many free electrons.
G.
Zinc bar.
H.
117-V AC.
I.
A voltage that opposes the applied EMF.
J.
Effective (RMS) values of current.
K.
Reduce the number of turns.
L.
Galvanic corrosion.
M.
It alternates between magnetic and electric fields and is not dissipated.
N.
The ratio of magnetic flux density in a substance to the magnetizing force that produces it.
O.
1.414
P.
Apparent power.
Q.
Reluctance.
R.
Silver, copper, aluminum, iron, and lead.
S.
Root mean square (RMS).
T.
0.9
Type the Answer that corresponds to the displayed Question.
incorrect
21.
What is the peak voltage at a common household electrical outlet?
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22.
When induced currents produce expanding magnetic fields around conductors in a direction that opposes the original magnetic field, this is known as:
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23.
What is the term used to express the amount of electrical energy stored in an electrostatic field?
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24.
What is the term for the out-of-phase power associated with inductors and capacitors?
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25.
What type of wave is made up of sine waves at the fundamental frequency and all the harmonics?
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26.
How many degrees are there in one complete sine wave cycle?
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27.
Which of these will be most useful for insulation at UHF frequencies?
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28.
MOSFETs are manufactured with THIS protective device built into their gate to protect the device from static charges and excessive voltages:
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29.
What is the easiest voltage amplitude to measure by viewing a pure sine wave signal on an oscilloscope?
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30.
What type of wave is characterized by a rise time significantly faster than the fall time (or vice versa)?

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