問題一覧
1
What component in a schematic diagram is represented by capital letter "R"?
Resistor
2
In what manner can a 55 microfarad value capacitor also be written ?
55 uF
3
What does the acronym UHF represent in reference to frequency ranges?
Ultra High Frequency
4
What wire color often connects to a positive polarity of a battery Source ?
red
5
Given the values for POWER and CURRENT, what is the formula to determine the Voltage ?
V = P/I
6
Coils have an ability to store magnetic energy. It is called ___?
inductance
7
What is the value of the resistor having the color bands as follows: yellow -violet-violet-no color?
470 Mega-ohms
8
What is the unit symbol used to denote Inductance?
H
9
What are included in the ultra high frequency range ?
300 MHz - 3 GHz
10
What is another way of writing 1 V?
1000 milli-volt
11
What is the current flowing through a load having a 12V measuremert across it and dissipates 4W of power ?
0.333 A
12
What is the symbol used to denote Current ?
I
13
In what manner can a 1000 volt value can also be written ?
1 KV
14
What is the value of the resistor having the color bands as follows: white - white- black- no color ?
99 ohms
15
What is the voltage across a load dissipating 15W of power and consumes 3A of current?
5V
16
What is the value of the resistor having the color bands as follows: gray- gray - orange- no color ?
88 kilo-ohms
17
What is another way of writing 470 kilo-ohms?
470,000 ohms
18
In what manner can a 1.2 gigahertz frequency also be written ?
1.2 GHz
19
What electric value remains constant in a SERIES circuit ?
current
20
What is the value of the resistor having the color bands as follows: brown -red- yellow- no color?
120 kilo-ohms
21
What does the acronym VHF represent in reference to frequency ranges?
Very High Frequency
22
What type of circuit that has its component junctions connected side by side?
series circuit
23
What symbol denotes the positive polarity of a battery ?
plus sign (+)
24
In what component does one commonly find the inductance value in a circuit?
inductor
25
What is the value of the resistor having the color bands as follows: green - black -black- no color ?
50 ohms
26
In what component does one commonly find the capacitance value in a circuit ?
capacitor
27
In DC circuits, load is measured in resistance only, while in AC and radio circuits we can expect a reactive component in the load and the combination of these two is termed as__?
impedance
28
In what component does one commonly find the resistance value in a circuit ?
resistor
29
A resistor dissipates watt when 1 volt DC is applied to it. Instead of the DC voltage, 1 volt RMS at 60hz is then applied on the resistor. It will ___?
make it dissipate the same power
30
What is the symbol used to denote Voltage ?
V
31
What is the unit of Resistance ?
ohm
32
What is the symbol used to denote "micro" in measurements ?
Greek letter “u”
33
What component is used to turn a circuit on or off?
switch
34
What is the value of the resistor having the color bands as follows: violet- violet-blue-no color
77 mega-ohms
35
What is the unit of Capacitance ?
farad
36
What wire color often connects to a negative polarity of a battery source?
black
37
What type of circuit that has its component junctions at a common point ?
parallel circuit
38
What is the symbol used to denote "giga" in measurements ?
G
39
What is the unit symbol used to denote Resistance ?
Ω
40
The band width of frequency response curve of a resonant circuit is measured using as lower and upper limits the ___?
all of the choices
41
What are included in the high frequency range?
3 MHz - 30 MHz
42
What are included in the very high frequency range ?
30 MHz - 300 MHz
43
What is the value of the resistor having the color bands as follows: orange- black red-no color ?
3000 ohms
44
What is the value of the resistor having the color bands as follows: green- green - orange -no color ?
55 kilo-ohms
45
What frequency range does the 144 MHz phase shift keying signal belonging too?
VHF
46
What is the symbol used to denote "kilo" in measurements ?
K
47
In what manner can a 168 megaohm value resistor also be written?
168 MΩ
48
What component in a schematic diagram is represented by capital letter"L"?
inductor
49
Which of the following is not a type of resistor?
tantalum
50
What is the value of the resistor having the color bands as follows: red-red- brown- no color ?
220 ohms
51
what frequency range does the 7.095 MHz A3J signal belong to?
HF
52
What is the formula to derive Voltage, given the values of Current and Resistance ?
V = I R
53
In a condition of series resonance, we can measure a current flow through that is __?
maximum
54
What is the unit of frequency ?
hertz
55
What is the unit symbol used to denote Power ?
Watt
56
What device or instrument is used to measure voltage in a circuit ?
voltmeter
57
What is another way of writing 1 kilowatt?
1000 watts
58
If one sees a plus (+) sign on a terminal of a battery, what is the polarity of this terminal ?
positive polarity
59
What electrical value can be concluded if one reads 77 henry on a Component?
inductance value
60
What electric value remains constant in a PARALLEL circuit ?
voltage
61
What is the unit of Voltage ?
volt
62
What is the formula to derive Power, given the values of Voltage and Current?
power = current x voltage
63
What electrical value can be concluded if one reads 5 Amperes on a component?
current value
64
What is the total inductance of 3 inductors connected in series with the following values: 3mH, 5mH and 22mH?
30 mH
65
What is the symbol used to denote "mega" in measurements ?
M
66
What component in a schematic diagram is represented by capital letter "C"?
capacitor
67
What is the meaning of A.C. in electricity?
alternating current
68
What is a good source of DC Power Supply ?
battery
69
What does the acronym HF represent in reference to frequency ranges?
High Frequency
70
What is the meaning of D.C. in electricity?
direct current
71
What device or instrument is used to measure current in a circuit ?
ammeter
72
What is another way of writing 3000 MHZ?
3 GHz
73
What is the symnbol used to denote "milli" in measurements ?
m
74
The best device for storing energy in a magnetic field is:
coil
75
What is the unit of Current ?
ampere
76
Which frequency band is considered as audio frequency?
30 Hz to 30 kHz
77
What is the formula to determine Resistance if the values of Voltage and Current are provided ?
R = V/I
78
What is the total power dissipated by a load resistor supplied by 48V source and having a total current of 1A flow through it?
48 Watts
79
In what manner can 325 kiloohm resistor also be written ?
325 KΩ
80
What is the unit symbol used to denote Frequency ?
Hz
81
An ideal voltage source should have___?
zero internal resistance
82
Amateur Radio frequency 430 MHz-440 MHz belongs to what frequency range?
UHF
83
While resistance is an opposition of current that results in a dissipation of energy, which of the following is the opposition to Current due to storage of energy?
reactance
84
What is a good insulator of electricity?
rubber
85
What is the value of the resistor having the color bands as follows: black-brown -black- no color ?
1 ohm
86
In what manner can a 1 watt power value can also be written?
1000 mW
87
In what manner can 888 milliwatt power value also be written ?
888 mW
88
What is the total inductance of 2 inductors -valued at 20mH each and are connected in parallel?
10 mH
89
What is the unit of Inductance ?
Henry
90
What is the unit of Power ?
watt
91
What symbol denotes the negative polarity of a battery ?
minus sign (-)
92
What is a good conductor of electricity?
copper