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A+ Certification > power > Flashcards

power Flashcards

1
Q

UPS

A
  • Protects against brownouts
  • Converts battery power from DC to AC for use by computer
  • Uses Battery power to boost the voltage when it drops
  • provides a clean, continuous AC signal for use by computers
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2
Q

Volt

A

A measure of electrical potential difference

volts = i(amp) * resistance

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3
Q

Watt

A

A measure of electrical power

watts = volts * amp

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4
Q

Ampere

A

A measure of electrical current

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5
Q

OHM

A

a measure of resistance to electricity

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6
Q

Ground

A
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7
Q

Resistor

A
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8
Q

Capacitor

A
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9
Q

Diode

A
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10
Q

Transistor

A
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11
Q

Surge Protector

A
  • Channels extra voltage into a grounding wire letting the normal voltage flow
  • Doesn’t protect againist noise, brownouts or blackouts
  • Filters out spikes and surges
  • Protects telphone and cable lines
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A+ Certification (14 decks)

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