MHT CET 2021 23th September Morning Shift | Semiconductor Devices and Logic Gates Question 96 | Physics

What are the values of the currents flowing in each of the following diode circuits $$\mathrm{X}$$ and $$\mathrm{Y}$$ respectively? (Assume that the diodes are ideal)

MHT CET 2021 23th September Morning Shift Physics - Semiconductor Devices and Logic Gates Question 67 English

1 A, 2 A

2 A, 1 A

4 A, 2 A

2 A, 4 A

MHT CET 2021 23th September Morning Shift

MCQ (Single Correct Answer)

-0

In common emitter amplifier, a change of 0.2 mA in the base current causes a change of 5 mA in the collector current. If input resistance is 2 k$$\Omega$$ and voltage gain is 75, the load resistance used in the circuit is

8 k$$\Omega$$

4 k$$\Omega$$

12 k$$\Omega$$

6 k$$\Omega$$

MHT CET 2021 22th September Evening Shift

MCQ (Single Correct Answer)

-0

Which of the following gates will give an output '1' for the given inputs?

MHT CET 2021 22th September Evening Shift Physics - Semiconductor Devices and Logic Gates Question 71 English

II and III

I and IV

I and III

II and IV

MHT CET 2021 22th September Evening Shift

MCQ (Single Correct Answer)

-0

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

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