Deck 1: Systems, Quantities, and Units

Question 1

The combining of skills from mechanical and electronic disciplines is called

A)vertical integration
B)mechatronics
C)integrated learning
D)horizontal integration

Answer 1

mechatronics

Question 2

0.0047 amps can be expressed in enngineering notation as 47 µA.

Answer 2

False

Question 3

Scientific notation is the most widely used form of technical notation in electronics.

Answer 3

False

Question 4

The electrical symbol for inductance is _.

A)V
B)I
C)L
D)C

Question 5

The difference between electrical and electronic systems is

A)there is no major difference other than terminology
B)electrical deals with power while electronic deals with signals
C)the voltage levels
D)one is analog and the other is digital

Question 6

0.00015 can be expressed in powers of ten as 1.5 × 10 ^-4.

Question 7

AC is often converted to DC with a power supply

Question 8

In engineering notation, 82,500 is expressed as 8.25 × 103.

Question 9

The symbol for electrical charge is .

A)C
B)I
C)V
D)Q

Question 10

In engineering notation 0.0047 is expressed as 4.7 × 10 ^-3.

Question 11

Any component that requires a source of power to function is called

A)an active component
B)an amplifier
C)a load
D)a source

Question 12

Vertical organization is more specialized than horizontal organization2

Question 13

The symbol µ is an abbreviation for 10 ^-6 or micro.

Question 14

The value 1.2 × 10 ^-6 can be expressed as .

A)0.00012
B)1.2 M or Meg
C)1.2 µ or micro
D)1.2 m or milli

Question 15

A boundary defines the dividing line between a system and everything else.

Question 16

Signals that vary continuously are called

A)active circuits
B)digital signals
C)oscillators
D)analog signals

Question 17

A plot of the ratio of the output of a circuit to the input is called a

A)conductance ratio
B)gain transfer
C)block diagram
D)transfer curve

Question 18

The first step in designing a circuit is to build it using design software.

Question 19

Engineering notation is typically used in the expression of extremely large and small quantities in the electronics field.

Question 20

A model of a complex electronic system is often simplified and represented as a

A)block diagram
B)flow chart
C)timning diagram
D)logic ladder

Question 21

If your calculator displays 3.45607 × 106, the equivalent metric value with 4 significant digits is .

A)3.456 kilo
B)3.456 micro
C)3.456 Mega
D)34.56 Mega

Question 22

Multiply 3 mA by 1000 × 10 ^-6 and express the result in microamperes.

A)3000 µA
B)3 µA
C)300 µA
D)30 µA

Question 23

To enter 0.00000056 into your calculator, use the entry .

A)56 -08
B)00056 -05
C)5.6 -08
D)56 -06

Question 24

Convert 0.00047 microfarads (µF)to the equivalent picofarads (pF).

A)470 pF
B)0.47 pF
C)4.7 pF
D)47 pF

Question 25

If your calculator displays 3.5 -06, the equivalent metric value is .

A)3.5 pico
B)35 milli
C)3.5 micro
D)35 micro
E)3.5 Meg

Question 26

Add 21 mA and 8000 µA and express the result in milliamperes.

A)290 mA
B)21.8 mA
C)218 mA
D)29 mA

Question 27

The metric value 16 mA can be expressed as .

A)16 × 10 ^-6 A
B)16 × 100 A
C)16 × 10³ A
D)16 × 10 ^-3 A

Question 28

The metric prefix µ (micro)is normally associated with measurements.

A)extremely small
B)extremely large
C)large
D)small

Question 29

Express these two calculator displays in correct metric units: 5.6 -07 2.2 05

A)0.56 micro, 0.022 Meg
B)56 micro, 22 kilo
C)56 micro, 220 kilo
D)0.56 micro, 220 kilo

Question 30

The electrical symbol for voltage is .

A)V
B)I
C)C
D)R

Question 31

If you are trying to enter the number 16,000 into your calculator, a correct entry is .

A)1.6 03
B)1.6 04
C)1.6 05
D)1.6 02

Question 32

Pico is what relation to micro?

A)1/10th
B)1/100th
C)1/1,000th
D)1/1,000,000th

Question 33

Determine the correct calculation.

A)5.6 ÷ 17 m = 32.9 m
B)5600 × (9.6 × 10 ^-7)= 5.376 milli
C)89.4 k × 1.2 m = 1.072 km
D)4.7 m ÷ 1.24 = .379 m

Question 34

Express 5.6 × 10 ^-2 in milli, basic units, and micro.

A)5600 milli, 56, 560
B)5.6 milli, 0.056, 56000 micro
C)560 milli, 5.600, 5600 micro
D)56 milli, 0.056, 56000 micro

Question 35

0.6 kV is equal to .

A)60 V
B)6 V
C)600 V
D)0.6 V

Question 36

The difference between scientific and engineering notation is .

A)single vs multiple digits before decimal point
B)powers of ten representation
C)groupings of multiple of three digits
D)all of these

Question 37

500 mA is equal to .

A)0.0005 kA
B)0.5 Amps
C)500,000 µA
D)all of the above

Question 38

Mega is what relation to kilo?

A)10 times
B)100 times
C)1000 times
D)1,000,000 times

Question 39

Express 7.5 × 10 ^-4 in milli, basic units, and micro.

A)75 milli, 0.0075, 750 micro
B)0.75 milli, 0.00075, 750 micro
C)7.5 milli, 0.075, 75000 micro
D)75 milli, 0.075, 7500 micro

Question 40

The correct metric expression for 8.54 × 10 ^-5 is .

A)854 pico
B)85.4 micro
C)85.4 milli
D)85.4 kilo

Question 41

86,000 expressed in scientific notation equals _.

A)8.6 × 10⁴
B)8.6 × 10 ^-4
C)8.6 × 10³
D)860 × 10²