Study Technician T5B

T5B

ELECTRICAL PRINCIPLES

Math for electronics: conversion of electrical units, decibels

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T5B01

How many milliamperes is 1.5 amperes?

  1. A 0.0000015 milliamperes
  2. B 0.0015 milliamperes
  3. C 1500 milliamperes
  4. D 1,500,000 milliamperes
T5B02

Which is equal to 1,500,000 hertz?

  1. A 1500 kHz
  2. B 1500 MHz
  3. C 15 GHz
  4. D 150 kHz
T5B03

Which is equal to one kilovolt?

  1. A One one-thousandth of a volt
  2. B One hundred volts
  3. C One thousand volts
  4. D One million volts
T5B04

Which is equal to one microvolt?

  1. A One one-millionth of a volt
  2. B One million volts
  3. C One thousand kilovolts
  4. D One one-thousandth of a volt
T5B05

Which is equal to 500 milliwatts?

  1. A 5 watts
  2. B 0.5 watts
  3. C 500,000 watts
  4. D 500,000,000 watts
T5B06

Which is equal to 3000 milliamperes?

  1. A 0.003 amperes
  2. B 0.3 amperes
  3. C 3,000,000 amperes
  4. D 3 amperes
T5B07

Which is equal to 3.525 MHz?

  1. A 0.003525 kHz
  2. B 35.25 kHz
  3. C 3525 kHz
  4. D 3,525,000 kHz
T5B08

Which is equal to 1,000,000 picofarads?

  1. A 0.001 microfarads
  2. B 1 microfarad
  3. C 1000 microfarads
  4. D 1,000,000,000 microfarads
T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

  1. A 2 dB
  2. B 3 dB
  3. C 5 dB
  4. D 10 dB
T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

  1. A -1 dB
  2. B -3 dB
  3. C -6 dB
  4. D -9 dB
T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

  1. A 10 dB
  2. B 12 dB
  3. C 18 dB
  4. D 28 dB
T5B12

Which is equal to 28400 kHz?

  1. A 28.400 kHz
  2. B 2.800 MHz
  3. C 284.00 MHz
  4. D 28.400 MHz
T5B13

Which is equal to 2425 MHz?

  1. A 0.002425 GHz
  2. B 24.25 GHz
  3. C 2.425 GHz
  4. D 242.5 GHz
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