MHT CET 2024 4th May Morning Shift | Semiconductor Devices and Logic Gates Question 34 | Physics

A semiconductor device X is connected in series with a battery and a resistor. The current of 10 mA is found to pass through the circuit. If the terminals of X are connected in reverse manner, the current drops to almost zero. X may be

a zener diode

a p-n junction diode

an intrinsic semiconductor

an extrinsic semiconductor

MHT CET 2024 3rd May Evening Shift

MCQ (Single Correct Answer)

-0

The Boolean expression for ' $x-O R$ ' gate $C=(A \oplus B)$ is equal to

$(\mathrm{A} \cdot \mathrm{B})+(\overline{\mathrm{A}} \cdot \overline{\mathrm{B}})$

$\mathrm{A}+(\overline{\mathrm{A}} \cdot \overline{\mathrm{B}})$

$(\mathrm{A} \cdot \mathrm{B})+\overline{\mathrm{B}}$

$(\overline{\mathrm{A}} \cdot \mathrm{B})+(\mathrm{A} \cdot \overline{\mathrm{B}})$

MHT CET 2024 3rd May Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following statements is true? A p-type semiconductor is doped with

trivalent impurity and electrons are majority carriers.

pentavalent impurity and electrons are minority carriers.

pentavalent impurity and holes are minority carriers.

trivalent impurity and holes are majority carriers.

MHT CET 2024 3rd May Evening Shift

MCQ (Single Correct Answer)

-0

The combination of NAND gates is shown in figure (I) and (II). For the given inputs, the outputs in both the combinations are respectively.

MHT CET 2024 3rd May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 35 English

0, 0

0, 1

1, 0

1, 1

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