Semiconductor Devices and Logic Gates
MHT CET / Physics / Modern Physics / 219 questions
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Practice 219 MHT CET Physics questions from Semiconductor Devices and Logic Gates. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Semiconductor Devices and Logic Gates Questions
Showing 19 of 219 questions on this page.
1Semiconductor Devices And Logic Gates
Combination of NAND gates is shown in the figure. It is equivalent to
MCQ+1 / -02021
2Semiconductor Devices And Logic Gates
Silicon and copper are cooled from 300 K to 100 K, the specific resistance (resistivity)
MCQ+1 / -02021
3Semiconductor Devices And Logic Gates
The frequency of a given a.c. signal is 'N' Hz. When it is connected to a half wave rectifier, the number of output pulses given by the rectifier in 1 second is
MCQ+1 / -02021
4Semiconductor Devices And Logic Gates
Two different logic gates moving output '0' for the inputs (0, 1) and then for (1, 0) are
MCQ+1 / -02021
5Semiconductor Devices And Logic Gates
A rectifier is used to
MCQ+1 / -02021
6Semiconductor Devices And Logic Gates
In the case of insulators, a band gap and conduction band is respectively
MCQ+1 / -02021
7Semiconductor Devices And Logic Gates
The output of an 'OR' gate is 'one'
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8Semiconductor Devices And Logic Gates
In an intrinsic semiconductor, at an ordinary temperature, the correct relation between the number of electrons per unit volume $n_e$ and number of holes per unit volume $n_h$.
MCQ+1 / -02020
9Semiconductor Devices And Logic Gates
A transistor having $\alpha=0.8$ is connected in common emitter configuration. When the base current changes by 6 mA , then the change in collector current is
MCQ+1 / -02020
10Semiconductor Devices And Logic Gates
When a small amount of impurity atoms are added to a semiconductor, then generally its resistivity
MCQ+1 / -02020
11Semiconductor Devices And Logic Gates
In common emitter amplifier, input resistance is \(1000 \Omega\), peak value of input signal voltage is \(5 \mathrm{~mV}\) and \(\beta=60\). The peak value of output current is
MCQ+1 / -02020
12Semiconductor Devices And Logic Gates
\(A\) transistor has a voltage gain \(A\). If the amount \(\beta A\) of its output is applied to the input of the transistor, then the transistor becomes oscillator, when
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13Semiconductor Devices And Logic Gates
At absolute zero temperature, pure silicon behaves as
MCQ+1 / -02020
14Semiconductor Devices And Logic Gates
$V-I$ characterstics of LED is shown correctly by graph
MCQ+1 / -02019
15Semiconductor Devices And Logic Gates
Which of the following regions of a transistors are, respectively, heavily dopped and lightly dopped?
MCQ+1 / -02019
16Semiconductor Devices And Logic Gates
Assuming that the junction diode is ideal, the current in the arrangement shown in figure is
MCQ+1 / -02019
17Semiconductor Devices And Logic Gates
. For a transistor, the current ratio ' $\beta_{d c}$ ' is defined as the ratio of
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18Semiconductor Devices And Logic Gates
In the study of transistor as an amplifier, the ratio of collector current to emitter current is 0.98 then the ratio of collector current to base current will be
MCQ+1 / -02019
19Semiconductor Devices And Logic Gates
In case of $p$-n junction diode, the width of depletion region is
MCQ+1 / -02019
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