1
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The logic gate combination circuit shown in the figure performs the logic function of

MHT CET 2023 12th May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 103 English

A
AND gate
B
NAND gate
C
OR gate
D
XOR gate
2
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When forward bias is applied to a p-n junction, then what happens to the potential barrier $$\left(V_B\right)$$ and the width $$(\mathrm{X})$$ of the depletion region?

A
$$\mathrm{V}_{\mathrm{B}}$$ increase, $$\mathrm{X}$$ decreases
B
$$\mathrm{V}_{\mathrm{B}}$$ decreases, $$\mathrm{X}$$ increase
C
$$\mathrm{V}_{\mathrm{B}}$$ increase, $$\mathrm{X}$$ increase
D
$$\mathrm{V}_{\mathrm{B}}$$ decreases, $$\mathrm{X}$$ decreases
3
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the study of transistor as an amplifier if $$\alpha=\frac{I_C}{I_E}=0.98$$ and $$\beta=\frac{I_C}{I_B}=49$$, where $$I_C, I_B$$ and $$\mathrm{I}_{\mathrm{E}}$$ are collector, base and emitter current respectively then $$\left(\frac{1}{\alpha}-\frac{1}{\beta}\right)$$ is equal to

A
zero
B
$$\frac{1}{2}$$
C
2
D
1
4
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$p$$-$$n$$ junction diode is in forward bias then

A
width of depletion layer increases
B
electric conduction is not possible at all
C
barrier voltage increases
D
width of depletion layer decreases
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