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Low Voltage > Test 9 > Flashcards

Test 9 Flashcards

1
Q

Forward bias
Hole flow
Conventional flow

A

Positive to negative

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2
Q

Esd

A

Electro static discharge - the sudden rapid momentary movement of charges from one object to another

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3
Q

Valence bands

A

Outer most band of electrons
Conductor 1,2,3
Semi conductor 4
Insulator 5,6,7,8

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4
Q

Positive to negative

A

Forward bias
Hole flow
Conventional flow

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5
Q

Zener diode normally operates in ___________ bias

A

Reversed

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6
Q

Reverse bias

A

Diode conduction considered zero

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7
Q

Semi conductors can be ________at room temp and ________ when hot

A

Insulators, conductors

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8
Q

Forward bias

A

Makes p material positive

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9
Q

When a coil moves away from you

A

Counter clockwise

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10
Q

P type semi conductor

A

Missing electrons positive charge

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11
Q

N type semi conductor

A

Extra electrons with a negative charge

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12
Q

Negative to positive

A

Electron flow

Reverse bias

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13
Q

When a zener diode is in forward bias it __________

A

Operates as a normal semi conductor

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14
Q

How to increase voltage in a coil

A

Add more coils

Increase speed

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15
Q

Bias voltage

A

Changes the width of the depletion region

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16
Q

Sides of a diode and their charge

A

Anode positive

Cathode negative

17
Q

When a coil moves towards you

A

Clockwise

18
Q

Depletion region

A

Insulator between p and n type regions

19
Q

Reverse bias

Electron flow

A

Negative to positive

20
Q

Four factors that determine voltage induced in a conductor

A

Strength of magnetic field
Length of conductor
Speed of conductor
Angle of conductor

Faradays law

21
Q

What is a bridge rectifier used for

A

Used to change from ac to dc

Low Voltage (9 decks)

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