Electrical Action Fuzes Flashcards

1
Q

What are transistors?

A

Electronic switches and the base leg turns on

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2
Q

What is a Silicon Controlled Rectifier (SCR)?

A

A Latching Electronic Switch

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3
Q

How does a R/C circuit work?

A

Timed resistor / Capacitor

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4
Q

What can a photo cell detect?

A

Light in various spectrums

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5
Q

What function does the base leg of a transistor do?

A

It is the trigger / switch

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6
Q

What does a 555 circuit look like?

A

Spider or Japanese battle flag

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7
Q

What does IC stand for?

A

Integrated Circuit

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8
Q

What does a resistor and capacitor pair together have in common with a 555 chip?

A

They are timers

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9
Q

Name a few products that you can find a IC chip in?

A
  • Amplifiers - Timers - Oscillators - Voltage Regulators

- Microprocessors - Memories - Microcomputers

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10
Q

What are some ID features of a remote control?

A

Multiple batteries, receiver, braided wire, servos, micro switch, antenna “may or may not be present”

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11
Q

What do resistor / capacitors and 555 timers have in common?

A

They are all timing devices

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12
Q

What are the indicators of a remote controlled device?

A

Antennas, servos and battery packs, braided wires

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13
Q

What function does the base leg of a transistor do?

A

Turns the transistor on allowing current to flow

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14
Q

What causes a collapsing circuit to function?

A

Battery decay, cutting the wrong wire, or anti-disturbance

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15
Q

What causes movement of the contacts in a relay?

A

The energizing/de-energizing of the coil

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16
Q

What does the photo-cell in a transistor circuit do?

A

Detects light and allows current to flow through the base leg turning on the transistor

17
Q

What is a relay?

A

An electromagnetic switch

18
Q

What is a transistor?

A

An electronic switch

19
Q

What does a PIR switch detect?

A

Temperature changes in detection zones and movement

20
Q

What do capacitors do?

A

Store energy / electrons

21
Q

How are capacitors used?

A

Power sources or as timing devices

22
Q

How are Active Infrared devices activated?

A

By interrupting the infrared beam

23
Q

What do diodes do?

A

Allow current to flow one way