Master Electronics Basics: Interactive Quizzes on Electronic Components and Circuits

Question 1

Which of the following is not an electronic component?

Accepted Answer

Software

Answer

Resistor

Answer

Capacitor

Answer

Transistor

Question 2

Which of the following is NOT classified as a passive electronic component?

Accepted Answer

Transistor

Answer

Resistor

Answer

Capacitor

Answer

Inductor

Question 3

What is the primary function of a diode in a circuit?

Accepted Answer

Restrict current flow in one direction

Answer

Amplify signals

Answer

Store electrical energy

Answer

Regulate voltage

Question 4

What is the primary purpose of a resistor in an electrical circuit?

Accepted Answer

Control the flow of current

Answer

Amplify signals

Answer

Store electrical energy

Answer

Generate voltage

Question 5

What is the primary function of a capacitor in an electrical circuit?

Accepted Answer

Store electrical energy

Answer

Control the flow of current

Answer

Amplify signals

Answer

Generate voltage

Question 6

Which of the following is NOT a type of electronic component used in electronic circuits?

Accepted Answer

Switch

Answer

Resistor

Answer

Capacitor

Answer

Inductor

Question 7

What is the primary function of a resistor in an electronic circuit?

Accepted Answer

To restrict the flow of current

Answer

To store energy

Answer

To amplify signals

Answer

To convert AC to DC

Question 8

Which of the following is a property of capacitors used in electronic circuits?

Accepted Answer

Can store electrical energy

Answer

Have high resistance

Answer

Allow current to flow in only one direction

Answer

Generate magnetic fields

Question 9

What is the purpose of an inductor in an electronic circuit?

Accepted Answer

To oppose changes in current

Answer

To reduce voltage

Answer

To filter out unwanted frequencies

Answer

To increase capacitance

Question 10

What is Ohm's Law, commonly used in electronic circuit analysis?

Accepted Answer

Relationship between voltage, current, and resistance

Answer

Law of conservation of energy

Answer

Kirchhoff's law

Answer

Faraday's law

Question 11

Which of the following is a unit of capacitance used in electronic circuits?

Accepted Answer

Farad

Answer

Ohm

Answer

Henry

Answer

Volt

Question 12

Which electronic component is commonly used to amplify signals in electronic circuits?

Accepted Answer

Transistor

Answer

Diode

Answer

Resistor

Answer

Capacitor

Question 13

Which of the following is NOT a key property of a resistor?

Accepted Answer

Voltage

Answer

Resistance

Answer

Current

Answer

Power Dissipation

Question 14

What is the SI unit of capacitance?

Accepted Answer

Farad

Answer

Ohm

Answer

Volt

Answer

Ampere

Question 15

What is the primary function of a transformer?

Accepted Answer

To change the voltage level of an alternating current (AC) signal

Answer

To convert AC to direct current (DC)

Answer

To filter out unwanted frequencies from a signal

Answer

To amplify the power of a signal

Question 16

What is the main purpose of a voltage regulator circuit?

Accepted Answer

To maintain a stable voltage level

Answer

To protect sensitive electronic components from overvoltage

Answer

To remove noise from a signal

Answer

To increase the signal strength

Question 17

What is the fundamental distinction between analog and digital circuits?

Accepted Answer

Analog circuits handle continuous signals, while digital circuits process discrete signals

Answer

Digital circuits are inherently more complex than analog circuits

Answer

Analog circuits are more efficient than digital circuits

Answer

Analog circuits are used at high frequencies, while digital circuits are used at low frequencies

Question 18

What is the primary function of a diode in a circuit?

Accepted Answer

To allow current to flow in only one direction.

Answer

To increase the voltage of a signal.

Answer

To store electrical charge.

Answer

To reduce the resistance of a circuit.

Question 19

What is the SI unit of measurement for electric current?

Accepted Answer

Ampere (A)

Answer

Ohm (Ω)

Answer

Volt (V)

Question 20

What is the primary purpose of a multimeter?

Accepted Answer

To measure electrical properties such as voltage, current, and resistance.

Answer

To amplify signals.

Answer

To generate electrical signals.

Question 21

Which type of electronic component is commonly used in digital circuits?

Accepted Answer

Logic gate

Answer

Resistor

Answer

Capacitor

Answer

Transistor

Question 22

What is the fundamental difference between an analog and digital signal?

Accepted Answer

An analog signal is continuous, while a digital signal is discrete.

Answer

An analog signal is stronger than a digital signal.

Answer

An analog signal is used for audio transmission, while a digital signal is used for data transmission.