Math for electronics and conversion of electrical units

Question 1

How many milliamperes is 1.5 amperes? (T5B01)

Answer 1

1500 milliamperes ([10^-3] ** 1000(1.5)=1500)

Question 2

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

Answer 2

1500 kHz (1,500,000/1,000= 1500)

Question 3

How many volts are equal to one kilovolt? (T5B03)

Answer 3

1,000 volts (1*1000-1000)

Question 4

How many volts are in one microvolt? (T5B04)

Answer 4

1 millionth of a volt (10^-6)*1= .000001

Question 5

Which of the following is equal to 500 milliwatts (T5B05)

Answer 5

.5 watts (1000/500=.5)

Question 6

How many microfarads are equal to 1,000,000 picofarads? (T5B08)

Answer 6

1 microfarad (milli, micro, nano, pico)

Question 7

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

Answer 7

3 amperes (1000*3)

Question 8

What is the proper abbreviation for megahertz? (T5C14)

Answer 8

MHz

Question 9

If a frequency display calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz? (T5B07)

Answer 9

3525 kHz

Question 10

Which of the following frequencies is equal to 28,400 kHz? (T5B12)

Answer 10

28.400 MHz

Question 11

If a frequency display shows a reading of 2425 MHz, what frequency is that in GHz? (T5B13)

Answer 11

2.425 GHz