MHT CET 2023 10th May Evening Shift | Semiconductor Devices and Logic Gates Question 28 | Physics

For the diagram shown, the resistances between points A and B when ideal diode D is forward biased is '$$R_1$$' and that when reverse biased is '$$R_2$$'. The ratio $$R_1: R_2$$ is

MHT CET 2023 10th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 32 English

2 : 1

1 : 1

1 : 2

1 : 4

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

-0

To obtain the truth-table shown, from the following logic circuit, the gate G should be

MHT CET 2023 10th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 30 English

AND

NAND

NOR

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

-0

In insulators

valence band is empty and conduction band is filled with electrons.

conduction band is empty and valence band is completely filled with electrons.

valence band is partially filled.

conduction band is partially filled with electrons.

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

-0

Identify the mismatch out of the following.

Zener diode - voltage regulator.

Photodiode-optocouplers.

Solar cell - Electrical energy into light.

Light emitting diode - optical communication.

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