
Electronics Quiz

Quiz
•
Physics
•
Professional Development
•
Hard
Anis Idrus
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of resistors in a circuit?
Reduce the flow of electrons and convert electrical energy into heat
Amplify electric currents
Generate tiny electric currents when light falls on them
Convert alternating currents into direct currents
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of diodes in a circuit?
Amplify electric currents
Reduce the flow of electrons and convert electrical energy into heat
Convert alternating currents into direct currents
Generate tiny electric currents when light falls on them
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of capacitors in a circuit?
Transform electrical currents in various ways
Convert alternating currents into direct currents
Reduce the flow of electrons and convert electrical energy into heat
Amplify electric currents
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of transistors in a circuit?
Amplify electric currents
Convert alternating currents into direct currents
Switch tiny electric currents on and off or amplify them
Generate tiny electric currents when light falls on them
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of opto-electronic components in a circuit?
Turn light into electricity or vice-versa
Switch tiny electric currents on and off or amplify them
Convert alternating currents into direct currents
Transform electrical currents in various ways
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between analog and digital electronics?
Analog electronics store information as numbers, while digital electronics store information as a pattern of light and dark areas
Analog electronics convert light and dark areas into numbers, while digital electronics store a recognizable pattern of light and dark
Analog electronics use digital format, while digital electronics use analog format
Analog electronics work with radio waves, while digital electronics work with light waves
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between electricity and electronics?
Electricity is used in analog electronics, while electronics is used in digital electronics
Electricity uses large currents, while electronics use small currents
Electricity uses small currents, while electronics use large currents
Electricity is used in digital electronics, while electronics is used in analog electronics
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of a printed circuit board (PCB) in electronic equipment?
To restrict the flow of electrons and reduce the current or voltage flowing
To connect components together with short lengths of copper cable
To arrange components in a systematic way and create automatic connections
To create electronic components in miniature form on the surface of pieces of silicon
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