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Platform Technologies > Electronic Components > Flashcards

Electronic Components Flashcards

1
Q

refers to the possibility of doing work

A

potential

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2
Q

The symbol for potential difference

A

E

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3
Q

practical unit of potential difference

A

volt (v)

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4
Q

when a charge is forced to move because of a potential difference current is produced.

A

current

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5
Q

current indicates the intensity of the electricity in motion

A

amperes

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6
Q

a path for current flow

A

circuit

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7
Q

current can only exist when there is conductive path

A

open circuit

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8
Q

powered by battery sources are termed direct current circuits

A

direct current

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9
Q

an alternating voltage source periodically alternates or reverses in polarity

A

alternating current

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10
Q

opposition to the flow of current

A

resistance

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11
Q

the amount of current in a circuit is dependent on its resistance and the applied voltage

A

Ohm’s Law

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12
Q

Unit of electrical power

A

watt

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12
Q

how much work is done over time

A

power

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13
Q

A component with 2 leads, to control the electric current flow through the circuit

A

Resistor

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14
Q

The value of the resistor varies with light applied over it

A

Light Dependent Resistor (L.D.R.)

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15
Q

A component with 2 leads (connections), Its function in a circuit is to charge up to a voltage, hence storing electrical charge (energy)

A

Capacitor

16
Q

Capacitor value is measured in

A

Farads (F)

17
Q

A capacitor whose leads are marked with (+) and (-)

A

Polarized Capacitor

18
Q

A component with 2 leads (connections), Its function in a circuit is to control the direction of electric current flow through the circuit

A

Diode

19
Q

Diode connections are named

A

ANODE and CATHODE

20
Q

to indicate the presence of
voltage, or to produce light

A

Light Emitting Diode (L.E.D.)

21
Q

A component with 3 leads (connections), Its function in a circuit is as an electronic switch, or as an amplifier

A

Transistor

22
Q

Two types of transistors are available

A

NPN, PNP

23
Q

The transistor connections are named:

A
  • COLLECTOR (C)
  • BASE (B)
  • EMITTER (E) Appearance
    Schematic Symbols
24
Q

A component with a number of pins ranging from 8 to 40 (and more)

A

Integrated Circuits (IC)

25
Q

A source of DC Power used to supply electronic components and circuits, can be in the form of a battery

A

Battery (DC Power Supply)

26
Q

Used to interconnect components to form a circuit, must be insulated

A

Wire (Conductor)

27
Q

used during experiments to insert into the
prototyping (Breadboard) Board

A

Single stranded

28
Q

used in practice for improved flexibility

A

Multi-stranded

29
Q

Used to build electronic circuits for
experimental purposes

A

Prototyping Board (Breadboard)

Platform Technologies (4 decks)

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