Technician Class Exam Question Pool

effective 7/01/2010 thru 6/30/2014

 Show: Unseen questions Weak questions Review questions Learned questions Incorrect answer choices

T5B-2010: Math for electronics; decibels, electronic units and the metric system

T5B01: How many milliamperes is 1.5 amperes?

1,500 milliamperes

15 milliamperes

150 milliamperes

15,000 milliamperes

T5B02: What is another way to specify a radio signal frequency of 1,500,000 hertz?

1500 kHz

1500 MHz

15 GHz

150 kHz

T5B03: How many volts are equal to one kilovolt?

One thousand volts

One one-thousandth of a volt

One hundred volts

One million volts

T5B04: How many volts are equal to one microvolt?

One one-millionth of a volt

One million volts

One thousand kilovolts

One one-thousandth of a volt

T5B05: Which of the following is equivalent to 500 milliwatts?

0.5 watts

0.02 watts

5 watts

50 watts

T5B06: If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, what reading would it show?

3 amperes

0.003 amperes

0.3 amperes

3,000,000 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

0.003525 kHz

35.25 kHz

3,525,000 kHz

T5B09: What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?

3 dB

2 dB

5 dB

10 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

1 dB

3 dB

9 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

12 dB

18 dB

28 dB

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