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T5BEdit

The T5B section covers math for electronics; decibels, electrical units and the metric system.
Click "Expand" to reveal the questions.

T5B01

How many milliamperes is 1.5 amperes?
1,500 milliamperes

T5B02

What is another way to specify a radio signal frequency of 1,500,000 hertz?
1500 kHz

T5B03

How many volts are equal to one kilovolt?
One thousand volts

T5B04

How many volts are equal to one microvolt?
One one-millionth of a volt

T5B05

Which of the following is equivalent to 500 milliwatts?
0.5 watts

T5B06

If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, what reading would it show?
3 amperes

T5B07

If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?
3525 kHz

T5B08

How many microfarads are 1,000,000 picofarads?
1 microfarad

T5B09

What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?
3 dB

T5B10

What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?
6 dB

T5B11

What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?
10 dB

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