Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the Semiconductor Electronics. In this article, we will provide 50+ MCQ questions on the Semiconductor Electronics, along with detailed solutions to help you prepare for the JEE Mains exam.
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 JEE Mains MCQ Questions with Answers.
Semiconductor Electronics JEE Mains MCQ
In a common-base mode of a transistor, the input resistance is:
a) High
b) Low
c) Medium
d) It depends on the transistor configuration
The energy gap between the valence band and conduction band in a semiconductor is:
a) Zero
b) Large
c) Small
d) Infinite
In a P-N junction diode, the depletion region:
a) Contains free electrons and holes
b) Is devoid of any charge carriers
c) Contains only free electrons
d) Contains only holes
The current gain of a common-emitter mode of a transistor is:
a) Less than unity
b) Equal to unity
c) Greater than unity
d) It depends on the transistor configuration
The majority charge carriers in an N-type semiconductor are:
a) Holes
b) Electrons
c) Protons
d) Neutrons
In a P-N junction diode, the forward bias:
a) Decreases the width of the depletion region
b) Increases the width of the depletion region
c) Does not affect the width of the depletion region
d) Completely eliminates the depletion region
In an NPN transistor, the middle layer is:
a) P-type
b) N-type
c) Intrinsic
d) Either P-type or N-type depending on the transistor configuration
In a common-collector mode of a transistor, the output resistance is:
a) High
b) Low
c) Medium
d) It depends on the transistor configuration
The process of adding impurities to a pure semiconductor is called:
a) Doping
b) Rectification
c) Amplification
d) Oscillation
The majority charge carriers in a P-type semiconductor are:
a) Holes
b) Electrons
c) Protons
d) Neutrons
In an NPN transistor, the base region is:
a) P-type
b) N-type
c) Intrinsic
d) Either P-type or N-type depending on the transistor configuration
The process of combining an N-type semiconductor with a P-type semiconductor is called:
a) Rectification
b) Amplification
c) Junction
d) Doping
The input resistance of an ideal operational amplifier is:
a) Zero
b) Infinite
c) Medium
d) It depends on the operational amplifier configuration
The process of removing impurities from a semiconductor is called:
a) Doping
b) Rectification
c) Amplification
d) Purification
In a P-N junction diode, the reverse bias:
a) Increases the width of the depletion region
b) Decreases the width of the depletion region
c) Does not affect the width of the depletion region
d) Completely eliminates the depletion region
The output resistance of an ideal operational amplifier is:
a) Zero
b) Infinite
c) Medium
d) It depends on the operational amplifier configuration
The process of converting AC signals into DC signals using a diode is called:
a) Amplification
b) Oscillation
c) Rectification
d) Doping
In an NPN transistor, the emitter region is:
a) P-type
b) N-type
c) Intrinsic
d) Either P-type or N-type depending on the transistor configuration
The process of increasing the strength of a weak input signal using an amplifier is called:
a) Rectification
b) Amplification
c) Doping
d) Oscillation
The output of an ideal operational amplifier is:
a) Voltage
b) Current
c) Power
d) None of the above
The process of combining two or more signals into a single signal is called:
a) Rectification
b) Amplification
c) Superposition
d) Doping
In a common-emitter mode of a transistor, the current gain is given by:
a) β
b) α
c) γ
d) σ
The process of converting DC signals into AC signals using an oscillator is called:
a) Rectification
b) Amplification
c) Oscillation
d) Doping
In an operational amplifier, the non-inverting input terminal is denoted by:
a) +
b) –
c) V
d) I
The process of converting an analog signal into a digital signal is called:
a) Modulation
b) Demodulation
c) Encoding
d) Sampling
The process of combining two or more signals to form a new signal with a different frequency is called:
a) Amplification
b) Oscillation
c) Mixing
d) Filtering
In a common-collector mode of a transistor, the voltage gain is:
a) Less than unity
b) Equal to unity
c) Greater than unity
d) It depends on the transistor configuration
The process of converting a digital signal into an analog signal is called:
a) Modulation
b) Demodulation
c) Decoding
d) Sampling
In an operational amplifier, the inverting input terminal is denoted by:
a) +
b) –
c) V
d) I
The process of extracting information from a modulated signal is called:
a) Modulation
b) Demodulation
c) Encoding
d) Sampling
We hope there JEE MCQ of Class 12 Semiconductor Electronics will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
