Digital Electronics Unit 1.1
This quiz covers basics such as Scientific Notation, Engineering Notation, SI prefixes, resistor color codes, capacitors, and vocabulary.
- 1.What's the best definition of SI notation?Numbers entered as a number from one to ten multiplied by a power of ten.
- A.
A floating point system in which numbers are expressed as products consisting of a number greater than one multiplied by an appropriate power of ten that is some multiple of three.
- B.
Numbers entered as a number from one to ten multiplied by a power of ten.
- C.
Abbreviation of System International, a system of practical units based on the meter, kilogram, second, ampere, Kelvin, mole, and candela.
- 2.What's the best definition of a digital multimeter?
- A.
Insulating board containing conductive tracks for circuit connections.
- B.
A device to measure capacitance, inductance, current gain of transistors, and/or anything else that can be measured electronically.
- C.
A two terminal device that conducts in only one direction.
- D.
An electrical device used to store electrical charge.
- 3.What's the best definition of a resistor?
- A.
Component made of material that opposes flow of current.
- B.
A two terminal device that conducts in only one direction.
- C.
An electrical device used to store electrical charge.
- 4.What does LED stand for?
- A.
Low Energy Device
- B.
Light Energy Diode
- C.
Low Emitting Device
- D.
Light Emitting Diode
- 5.Express the number 469200000 in Scientific Notation.
- A.
469.2 x 10^6
- B.
469.2 M
- C.
4.692 x 10^8
- D.
4.692 M
- 6.Express the number 68100 Volts in Engineering Notation.
- A.
68.1 kV
- B.
68.1 x 10^3 V
- C.
6.81 x 10^4 V
- D.
68.1 x 10^(-3) V
- 7.Express the number 0.054 Amps in SI Notation.
- A.
54 mA
- B.
5.4 x 10^(-2)A
- C.
54 x 10^(-3)A
- D.
54 kA
- 8.What is the value of a resistor with a color scheme of Brown, Green, Red, Silver? (order from 0 to 9: black,brown,red,orange,yellow,green,blue,violet,gray,white)
- A.
1.6kOhms +-10%
- B.
1.5 kOhms +- 10%
- C.
2.6 kOhms +- 10%
- D.
1.5 kOhms +- 5%
- 9.What is the value of a resistor with a color scheme of Green, Orange, Brown, Gold? (order from 0 to 9: black,brown,red,orange,yellow,green,blue,violet,gray,white)
- A.
6300 Ohms +-5%
- B.
4300 Ohms +- 10%
- C.
53 Ohms +- 10%
- D.
530 Ohms +- 5%
- 10.Which of the following should be used to extinguish an electrical fire?
- A.
Class A fire extinguisher
- B.
Class B fire extinguisher
- C.
Class C fire extinguisher
- D.
None of these
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