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Function of rectifier 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 9
In p-n junction solar cell, the value of photo -electromotive force produced by monochromatic light is proportional to the
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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 10
Serious drawback of the semiconductor devices is
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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 11
The reason of current flow in p-n junction in forward bias is
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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 12

In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons, respectively. The material is a/an 

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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 13
An oscillator is nothing but an amplifier with
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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 14
When n - p - n transistor is used as an amplifier:
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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 15
If I1, I2, I3 are the lengths of the emitter, base and collector of a transistor then
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Gamma Question Bank for Engineering Physics>Chapter 23 - Semiconductor Electronics: Materials, Devices and Simple Circuits>Assignment Set-2>Q 16
A common emitter amplifier gives an output of 3 V for an input of 0.01 V. If current gain of the transistor is 100 and the input resistance is 1 kΩ, then the collector resistance is