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Technician Class > Circuit diagrams, schematic symbols, component functions > Flashcards

Circuit diagrams, schematic symbols, component functions Flashcards

1
Q

What is the name of an electrical wiring diagram that uses standard component symbols? (T6C01)

A

Schematic

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2
Q

What do the symbols on an electrical schematic represent? (T6C12)

A

Electrical Components

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3
Q

Which of the following is accurately represented in electrical schematics? (T6C13)

A

The way components are interconnected

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4
Q

What is component 1 in figure T1? (T6C02)

A

Resistor (Function is to limit the input current)

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5
Q

What is component 2 in figure T1? (T6C03)

A

Transistor

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6
Q

What is the function of component 2 in Figure T1? (T6D10)

A

Control the flow of current

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7
Q

What is component 3 in figure T1? (T6C04)

A

Lamp

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8
Q

What is component 4 in figure T1? (T6C05)

A

Battery

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9
Q

What type of switch is represented by component 3 in figure T2? (T6D03)

A

Single-pole single-throw (It turns the power supply on and off)

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10
Q

What is component 4 in figure T2? (T6C09)

A

Transformer

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11
Q

What component is commonly used to change 120V AC house current to a lower AC voltage for other uses? (T6D06)

A

Transformer

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12
Q

Which of the following devices or circuits changes an alternating current into a varying direct current signal? (T6D01)

A

Rectifier

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13
Q

What is component 6 in figure T2? (T6C06)

A

Capacitor (Filter Capacitor and its function is to filter out remnants of the 60 Hz AC that are part of the varying direct current signal.)

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14
Q

What is component 8 in figure T2? (T6C07)

A

Light Emitting Diode (LED is a pilot light, serving to alert a user when the power supply is on).

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15
Q

What is component 9 in figure T2? (T6C08)

A

Variable resistor

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16
Q

What is component 3 in figure T3? (T6C10

A

Variable Inductor

17
Q

Which of the following is combined with an inductor to make a tuned circuit? (T6D08)

A

Capacitor

18
Q

Which of the following is a resonant or tuned circuit? (T6D11)

A

An inductor and a capacitor connected in series or parallel to form a filter

19
Q

What is component 4 in figure T3? (T6C11)

A

Antenna

Technician Class (37 decks)

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