MHT CET 2021 22th September Evening Shift | Semiconductor Devices and Logic Gates Question 41 | Physics

For a common-emitter amplifier, the voltage gain is 40. Its input and output impedances are $$100 \Omega$$ and $$400 \Omega$$, respectively. The power gain of the CE amplifier will be

450

400

300

500

MHT CET 2021 22th September Evening Shift

MCQ (Single Correct Answer)

-0

Choose the correct statement. In semiconductors valance band and conduction band

is separated by large energy gap.

is separated by small energy gap:

is almost empty.

overlap each other.

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

-0

Combination of NAND gates is shown in the figure. It is equivalent to

MHT CET 2021 21th September Evening Shift Physics - Semiconductor Devices and Logic Gates Question 47 English

AND gate

NOR gate

OR gate

X-OR gate

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

-0

In an ideal junction diode, the current flowing through PQ is

MHT CET 2021 21th September Evening Shift Physics - Semiconductor Devices and Logic Gates Question 45 English

2 $$\times$$ 10$$^{-3}$$ A

2 $$\times$$ 10$$^{-2}$$ A

4 $$\times$$ 10$$^{-3}$$ A

10$$^{-3}$$ A

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