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Chapters
2: Mathematical Methods
3: Motion in a Plane
4: Laws of Motion
5: Gravitation
6: Mechanical Properties of Solids
7: Thermal Properties of Matter
8: Sound
9: Optics
10: Electrostatics
11: Electric Current Through Conductors
12: Magnetism
13: Electromagnetic Waves and Communication System
▶ 14: Semiconductors
![Balbharati solutions for Physics [English] 11 Standard Maharashtra State Board chapter 14 - Semiconductors - Shaalaa.com](/images/physics-english-11-standard-maharashtra-state-board_6:314f14dcb519476f83adce5380e7a92f.jpg "Balbharati solutions for Physics [English] 11 Standard Maharashtra State Board chapter 14 - Semiconductors")
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Solutions for Chapter 14: Semiconductors
Below listed, you can find solutions for Chapter 14 of Maharashtra State Board Balbharati for Physics [English] 11 Standard Maharashtra State Board.
Balbharati solutions for Physics [English] 11 Standard Maharashtra State Board 14 Semiconductors Exercises [Page 256]
Choose the correct option.
Electric conduction through a semiconductor is due to:
Electrons
holes
none of these
both electrons and holes
Choose the correct option.
The energy levels of holes are:
in the valence band
in the conduction band
in the bandgap but close to valence band
in the bandgap but close to conduction band
Choose the correct option.
Current through a reverse-biased p-n junction increases abruptly at:
Breakdown voltage
0.0 V
0.3V
0.7V
Choose the correct option.
A reverse-biased diode is equivalent to:
an off switch
an on switch
a low resistance
none of the above
Choose the correct option.
The potential barrier in p-n diode is due to:
depletion of positive charges near the junction
accumulation of positive charges near the junction
depletion of negative charges near the junction
accumulation of positive and negative charges near the junction
Answer the following question.
What is the importance of the energy gap in a semiconductor?
Answer the following question.
Which element would you use as an impurity to make germanium an n-type semiconductor?
Answer the following question.
What causes a larger current through a p-n junction diode when forward biased?
Answer the following question.
On which factors does the electrical conductivity of a pure semiconductor depend at a given temperature?
Answer the following question.
Why is the conductivity of a n-type semiconductor greater than that of p-type semiconductors even when both of these have the same level of doping?
Explain how solids are classified on the basis of the band theory of solids.
Answer in detail.
Distinguish between intrinsic semiconductors and extrinsic semiconductors.
Answer in detail.
Explain the importance of the depletion region in a p-n junction diode.
Explain the I-V characteristic of a forward-biased junction diode.
Answer in detail.
Discuss the effect of external voltage on the width of depletion region of a p-n junction.
Solutions for 14: Semiconductors
Balbharati solutions for Physics [English] 11 Standard Maharashtra State Board chapter 14 - Semiconductors
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Concepts covered in Physics [English] 11 Standard Maharashtra State Board chapter 14 Semiconductors are Introduction to Semiconductors, Electrical Conduction in Solids, Band Theory of Solids, Intrinsic Semiconductor, A p-n Junction Diode, Applications of Semiconductors and P-n Junction Diode, Thermistor, Extrinsic Semiconductor, Basics of Semiconductor Devices, p-n Junction.
Using Balbharati Physics [English] 11 Standard Maharashtra State Board solutions Semiconductors exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Balbharati Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board Physics [English] 11 Standard Maharashtra State Board students prefer Balbharati Textbook Solutions to score more in exams.
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