Math for Electronics - T5B

Question 1

How many milliamperes is 1.5 amperes?

Answer 1

1,500 milliamperes

Question 2

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

Answer 2

1500 kHz

Question 3

How many volts are equal to one kilovolt?

Answer 3

One thousand volts

Question 4

How many volts are equal to one microvolt?

Answer 4

One one-millionth of a volt

Question 5

Which of the following is equivalent to 500 milliwatts?

Answer 5

0.5 watts

Question 6

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

Answer 6

3 amperes

Question 7

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

Answer 7

3525 kHz

Question 8

How many microfarads are 1,000,000 picofarads?

Answer 8

1 microfarad

Question 9

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

Answer 9

3 dB

Question 10

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

Answer 10

6 dB

Question 11

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

Answer 11

10 dB