Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 35

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Four equal resistors, each of resistance $10 Ω$ , are connected as shown in the circuit diagram The equivalent resistance between $A$ and $B$ is

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Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 36

In a semiconducting material, the mobilities of electrons and holes are

μ_{e}

and

μ_{h}

, respectively. Which of the following is true?

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 37

A full-wave rectifier circuit along with input and output are shown in the figure. The contribution from the diode $D_{2}$ is (are)

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 38

In a

p - n

junction having depletion layer of thickness

10^{- 6} m

, the potential difference across it is

0.1 V

. The electric field is

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 39

What is the voltage gain in a common emitter amplifier,where input resistance is

3.2

and load resistance

24 Ω

,

β = 0.6

?

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 40

Barrier potential of a p-n junction diode does not depend on?

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 41

Which of the following is not equal to

1

in Boolean algebra?

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 42

In

P N

junction, the barrier potential offers resistance to

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 43

In a full-wave rectifier circuit operating from

50 Hz

mains frequency, the fundamental frequency in the ripple would be