SS2 First Term Basic Electronics Past Questions And Answers
Here they are;
Question: What is the purpose of a resistor in an electronic circuit?
a) Amplify signals
b) Store electrical energy
c) Control the flow of current
d) Generate magnetic fields
Answer: c) Control the flow of current
Question: Which component is used to store electrical charge in a circuit?
a) Resistor
b) Capacitor
c) Diode
d) Transistor
Answer: b) Capacitor
Question: What does LED stand for in electronics?
a) Light Emitting Diode
b) Low Energy Device
c) Longitudinal Electrical Device
d) Logical Element Detector
Answer: a) Light Emitting Diode
Question: Which type of semiconductor material is often used in transistors?
a) Silicon
b) Aluminum
c) Copper
d) Gold
Answer: a) Silicon
Question: In a circuit, what does the term “AC” stand for?
a) Alternating Current
b) Automatic Circuit
c) Amperes Control
d) Analog Component
Answer: a) Alternating Current
Question: What is the purpose of a diode in an electronic circuit?
a) Amplify signals
b) Control voltage
c) Convert AC to DC
d) Store electrical energy
Answer: c) Convert AC to DC
Question: Which electronic component has the ability to amplify electronic signals?
a) Resistor
b) Capacitor
c) Transistor
d) Inductor
Answer: c) Transistor
Question: What is the unit of measurement for electrical resistance?
a) Watts
b) Volts
c) Ohms
d) Amperes
Answer: c) Ohms
Question: Which circuit component is used to protect other components from excessive current?
a) Resistor
b) Inductor
c) Capacitor
d) Fuse
Answer: d) Fuse
Question: What does IC stand for in electronics?
a) Integrated Circuit
b) Infrared Component
c) Inductive Coil
d) Input Controller
Answer: a) Integrated Circuit
Question: Which type of circuit allows current to flow in only one direction?
a) AC Circuit
b) DC Circuit
c) Bipolar Circuit
d) Multimeter Circuit
Answer: b) DC Circuit
Question: What is the basic function of a transformer in an electronic circuit?
a) Change voltage level
b) Store electrical energy
c) Amplify signals
d) Convert DC to AC
Answer: a) Change voltage level
Question: Which electronic component is often used as a switch in digital circuits?
a) Capacitor
b) Resistor
c) Diode
d) Transistor
Answer: d) Transistor
Question: In digital electronics, what does the term “binary” refer to?
a) Two different voltages
b) Four different voltages
c) Eight different voltages
d) Continuous voltage range
Answer: a) Two different voltages
Question: What is the primary function of an oscillator in electronic circuits?
a) Control current flow
b) Generate a continuous waveform
c) Store electrical energy
d) Convert AC to DC
Answer: b) Generate a continuous waveform
Question: Which type of diode is commonly used in rectifier circuits?
a) Zener diode
b) Light-emitting diode
c) Schottky diode
d) Tunnel diode
Answer: c) Schottky diode
Question: What is the purpose of an inductor in an electronic circuit?
a) Store electrical energy
b) Control voltage
c) Amplify signals
d) Resist the flow of current
Answer: d) Resist the flow of current
Question: Which material is commonly used as a conductor in electronic circuits?
a) Rubber
b) Glass
c) Copper
d) Plastic
Answer: c) Copper
Question: What is the function of a potentiometer in a circuit?
a) Store electrical energy
b) Control resistance
c) Amplify signals
d) Convert AC to DC
Answer: b) Control resistance
Question: Which electronic component is used for signal amplification and switching in digital circuits?
a) Capacitor
b) Transistor
c) Resistor
d) Inductor
Answer: b) Transistor.
