Chapters
Chapter 2: Mechanical Properties of Fluids
Chapter 3: Kinetic Theory of Gases and Radiation
Chapter 4: Thermodynamics
Chapter 5: Oscillations
Chapter 6: Superposition of Waves
Chapter 7: Wave Optics
Chapter 8: Electrostatics
Chapter 9: Current Electricity
Chapter 10: Magnetic Fields due to Electric Current
Chapter 11: Magnetic Materials
Chapter 12: Electromagnetic induction
Chapter 13: AC Circuits
Chapter 14: Dual Nature of Radiation and Matter
Chapter 15: Structure of Atoms and Nuclei
Chapter 16: Semiconductor Devices
Chapter 16: Semiconductor Devices
Balbharati solutions for Physics 12th Standard HSC Maharashtra State Board Chapter 16 Semiconductor Devices Exercises [Pages 363 - 364]
Choose the correct option:
In a BJT, the largest current flow occurs
in the emitter
in the collector
in the base
through CB junction
Choose the correct option:
A Series resistance is connected in the Zener diode circuit to
Properly reverse bias the Zener
Protect the Zener
properly forward bias the Zener
Protect the load resistance
Choose the correct option:
A LED emits visible light when its
junction is reverse biased
depletion region widens
holes and electrons recombine
junction becomes hot
Choose the correct option.
Solar cell operates on the principle of:
diffusion
recombination
photovoltaic action
carrier flow
Choose the correct option:
A logic gate is an electronic circuit which:
makes logical decisions
allows electron flow only in one direction
works using binary algebra
alternates between 0 and 1 value
Answer in brief.
Answer in brief.
How is a Zener diode different than an ordinary diode?
Answer in brief.
On which factors does the wavelength of light emitted by a LED depend?
Answer in brief.
Why should a photodiode be operated in reverse biased mode?
Answer in brief.
State the principle of solar cells.
Answer in brief.
State the uses of the solar cell.
Draw the circuit diagram of a half-wave rectifier. Explain its working. What is the frequency of ripple in its output?
Why do we need filters in a power supply?
Draw a neat diagram of a full-wave rectifier and explain it’s working.
Explain how a Zener diode maintains a constant voltage across a load.
Explain the forward and the reverse characteristic of a Zener diode.
Explain the working of a LED.
Explain the construction and working of the solar cell.
Explain the principle of operation of a photodiode.
What is a logic gate?
What do you mean by a truth table?
What do you mean by a Boolean expression?
What is a logic gate?
Write the truth table and Boolean expression for an AND gate.
What are the uses of logic gates?
Why is a NOT gate known as an inverter?
Write the Boolean expressions for an OR gate.
Write the truth table and Boolean expression for an AND gate.
Write the Boolean expressions for a NAND gate.
Why are the emitter, the base, and the collector of a BJT doped differently?
Which method of biasing is used for operating a transistor as an amplifier?
Define α and β. Derive the relation between then.
The common-base DC current gain of a transistor is 0.967. If the emitter current is 10mA. What is the value of base current?
In a common-base connection, a certain transistor has an emitter current of 10mA and a collector current of 9.8 mA. Calculate the value of the base current.
In a common-base connection, the emitter current is 6.28mA and the collector current is 6.20 mA. Determine the common-base DC current gain.
Chapter 16: Semiconductor Devices
Balbharati solutions for Physics 12th Standard HSC Maharashtra State Board chapter 16 - Semiconductor Devices
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Concepts covered in Physics 12th Standard HSC Maharashtra State Board chapter 16 Semiconductor Devices are Semiconductor Devices, p-n Junction Diode as a Rectifier, Special Purpose Junction Diodes, Bipolar Junction Transistor (BJT), Logic Gates.
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