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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 29

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Input signal to a common emitter amplifier having a voltage gain of $1000$ is given by $V_{i} = (0.004 V) \sin (ω t + \frac{π}{2})$ The corresponding output signal is

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

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 30

In a common base transistor circuit, the current gain is

0.98

. On changing the emitter current by

5.00 mA

, the change in collector current is

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 32

The input resistance of a common-emitter amplifier is

2 kΩ

and

A C

current gain is

20

. If the load resistor used is

5 kΩ

, then calculate the transconductance of the transistor used

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 33

In a transistor, a change of

8.0 mA

in the emitter current produces a change of

7.8 mA

in the collector current. What change in the base current is necessary to produce the same change in the collector current

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 34

The adjoining logic symbol is equivalent to

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 35

Which of the following gates corresponds to the truth table given below?

A	B	Y
$1$	$1$	$0$
$1$	$0$	$1$
$0$	$1$	$1$
$0$	$0$	$1$

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 36

The combination of gates shown in the circuit is equivalent to

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 37

Write down the boolean expression for output $Y$ of a system shown in figure

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Gamma Question Bank for Medical Physics>Chapter 24 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment>Q 2

Which of the following arrangement of diodes represent reverse biasing?

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Input signal to a common emitter amplifier having a voltage gain of 1000 is given by Vi=0.004 Vsinωt+π2 The corresponding output signal is

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

Learn and Prepare for any exam you want !

Input signal to a common emitter amplifier having a voltage gain of $1000$ is given by $V_{i} = (0.004 V) \sin (ω t + \frac{π}{2})$ The corresponding output signal is