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Current amplification factor in the common emitter mode amplifier is 99. If the input base current is 20 μA, the current through emitter is

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Important Questions on Semiconductors

EASY
MHT-CET
IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 26
In an N-P-N transistor the collector current is 24 mA. If 80 % of electrons reach collector its base current in mA is
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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 28

In a transistor circuit shown here, the base current is 35μA. The value of the resistor Rb is

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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 29
Which is the 'WRONG' statement from the following? In an electronic oscillator, the positive feedback voltage
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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 31
Ripple factor of a power supply is a measure of
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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 32
In negative logic, logic state 1 corresponds to
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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 33
How many NAND gates are needed to form an AND gate?
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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 34
Which of the following gives output 1 in the AND gate?
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IMPORTANT
MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Semiconductors>Critical Thinking>Q 35

What is the name of the gate obtained by the combination shown in figure?

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