EASY
12th Maharashtra Board
IMPORTANT
Earn 100

What is breakdown voltage and knee voltage?

Important Questions on Semiconductor Devices

EASY
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Can you recall?>Q 3
What is a forward and reverse biased diode?
HARD
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Exercises>Q 3
Draw the circuit diagram of a half wave rectifier. Explain its working. What is the frequency of ripple in its output?
EASY
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Exercises>Q 4
Why do we need filters in a power supply?
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Exercises>Q 9
Explain the construction and working of solar cell.
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Exercises>Q 18
The common-base DC current gain of a transistor is 0.967. If the emitter current is 10 mA. What is the value of base current?
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Exercises>Q 20

In a common-base connection, the emitter current is 6.28 mA and collector current is 6.20 mA. Determine the common base DC current gain.

EASY
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Can you tell?>Q 1
How does a cell phone charger produce a voltage of 5.0 V form the line voltage of 230 V ?
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 16 - Semiconductor Devices>Can you tell?>Q 2
Why is a resistance connected in series with a Zener diode when used in a circuit?