Here we will provide you the 50+ MCQ Questions of Semiconductor Electronics for NEET-UG. Semiconductor Electronics is the chapter 14 in Class XII or Class 12 Physics NCERT Unit Semiconductor Electronics NEET (conducted by NTA) is based on the NCERT book.
These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Semiconductor Electronics NEET MCQ Questions with Answers.
Semiconductor Electronics NEET MCQ
What is the function of the n-type material in a p-n junction?
a) It provides holes for conduction
b) It provides electrons for conduction
c) It provides both electrons and holes for conduction
d) It does not affect conduction
Which of the following materials is commonly used as a substrate in the fabrication of integrated circuits?
a) Silicon
b) Germanium
c) Gallium arsenide
d) Indium phosphide
What is the doping concentration of an intrinsic semiconductor?
a) Zero
b) Very low
c) Very high
d) Infinite
What is the typical operating voltage of a light-emitting diode (LED)?
a) 0.7 V
b) 1.2 V
c) 3.3 V
d) 5 V
Which of the following materials is commonly used as an n-type dopant in silicon?
a) Boron
b) Aluminum
c) Phosphorus
d) Arsenic
What is the function of a capacitor in an RC coupled amplifier?
a) To block DC voltage
b) To provide gain
c) To provide negative feedback
d) To increase the input impedance
What is the primary advantage of a MOSFET over a JFET?
a) Higher transconductance
b) Lower input impedance
c) Higher output impedance
d) Higher input capacitance
What is the minimum energy required to create an electron-hole pair in a semiconductor?
a) Bandgap energy
b) Ionization energy
c) Excitation energy
d) Threshold energy
Which of the following materials is commonly used as a p-type dopant in silicon?
a) Boron
b) Aluminum
c) Phosphorus
d) Arsenic
Which of the following devices is commonly used as a voltage regulator in electronic circuits?
a) Transistor
b) Capacitor
c) Zener diode
d) Resistor
Which of the following is not a type of bipolar junction transistor?
a) NPN
b) PNP
c) JFET
d) None of the above
Which of the following is not a characteristic of a silicon-controlled rectifier (SCR)?
a) It is a four-layer device
b) It can be triggered by a small current
c) It can conduct current in both directions
d) It has a negative temperature coefficient of resistance
What is the primary function of a diode in a rectifier circuit?
a) To block DC voltage
b) To provide gain
c) To provide negative feedback
d) To allow current to flow in only one direction
Which of the following statements about a field-effect transistor (FET) is true?
a) It is a bipolar device
b) It has a base, emitter, and collector
c) It has a gate, source, and drain
d) It can be used as an amplifier or a switch
What is the primary function of a voltage regulator in an electronic circuit?
a) To amplify voltage
b) To stabilize voltage
c) To provide negative feedback
d) To filter noise
Which of the following devices is commonly used as a rectifier in electronic circuits?
a) Diode
b) Transistor
c) Capacitor
d) Resistor
What is the function of a bypass capacitor in an amplifier circuit?
a) To increase the gain
b) To reduce distortion
c) To filter out noise
d) To stabilize the voltage
Which of the following is not a type of operational amplifier (op-amp)?
a) Inverting amplifier
b) Non-inverting amplifier
c) Differential amplifier
d) None of the above
What is the primary advantage of a complementary metal-oxide-semiconductor (CMOS) logic gate over a transistor-transistor logic (TTL) gate?
a) Higher speed
b) Lower power consumption
c) Lower cost
d) Higher input impedance
What is the function of a Schmitt trigger in an electronic circuit?
a) To amplify voltage
b) To provide negative feedback
c) To filter out noise
d) To provide hysteresis
Which of the following statements about an integrated circuit (IC) is true?
a) It contains only a single transistor
b) It is constructed using only passive components
c) It can contain millions of transistors
d) It can only be used as a switch
Which of the following devices is commonly used as a voltage regulator in electronic circuits?
a) Zener diode
b) Schottky diode
c) Varactor diode
d) Light-emitting diode
What is the primary function of a current mirror circuit in an electronic circuit?
a) To amplify current
b) To regulate voltage
c) To reduce noise
d) To copy a current from one transistor to another
Which of the following statements about a field-effect transistor (FET) is false?
a) It is a unipolar device
b) It has a gate, source, and drain
c) It has a base, emitter, and collector
d) It can be used as an amplifier or a switch
What is the primary function of a phase-locked loop (PLL) in an electronic circuit?
a) To amplify signals
b) To generate a stable clock signal
c) To filter out noise
d) To modulate signals
Which of the following devices is commonly used as a digital-to-analog converter (DAC) in electronic circuits?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
What is the primary function of a voltage-controlled oscillator (VCO) in an electronic circuit?
a) To amplify signals
b) To generate a stable clock signal
c) To filter out noise
d) To generate a variable frequency signal
Which of the following is not a characteristic of a metal-oxide-semiconductor field-effect transistor (MOSFET)?
a) It has a gate, source, and drain
b) It is a unipolar device
c) It has a high input impedance
d) It is always operated in the saturation region
What is the function of a pulse-width modulation (PWM) circuit in an electronic circuit?
a) To generate a variable duty cycle waveform
b) To amplify signals
c) To filter out noise
d) To generate a stable clock signal
Which of the following is not a type of digital logic gate?
a) AND gate
b) OR gate
c) NAND gate
d) XOR gate
We hope there NEET MCQ of Class 12 Semiconductor Electronics will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
