CUET PG 2026 Nanoelectronics Question Paper (13-Mar-2026) (Shift 2)

Question 1

Calculate the output voltage of an op-amp for input voltages of $V_{i1} = 150 \mu	ext{V}$ and $V_{i2} = 140 \mu	ext{V}$. The amplifier has a differential gain of $A_d = 4000$ and the value of CMRR is $100$ :

Accepted Answer

45.8 mV

Answer

145 mV

Answer

14.5 mV

Answer

40.006 mV

Question 2

For an op-amp having a slew rate of $4	ext{ V}/\mu	ext{s}$, what is the maximum closed-loop voltage gain that can be used when input signal varies by $0.1	ext{V}$ in $10\mu	ext{s}$ ?

Accepted Answer

400

Answer

40

Answer

4

Answer

4000

Question 3

For the series diode configuration of the given figure, determine $V_D$ and $I_D$.

Accepted Answer

0.4 V and 0 A.

Answer

0.7 V and 0.85 A.

Answer

-0.7 V and 0.23 A.

Answer

0 V and 0.31 A.

Question 4

For the given emitter-bias network, determine the values of $I_C$ and $V_{CE}$. Assume $\beta = 100$.

Accepted Answer

3.32 mA and 5.04 V

Answer

2.30 mA and 4.32 V

Answer

2.01 mA and 13.97 V

Answer

4.33 mA and 6.34 V

Question 5

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : The gate of a MOSFET is insulated from body of FET by deposition of a very thin fragile layer of $\text{SiO}_2$ over the substrate.
Reason (R) : The device is therefore called an insulated gate field-effect transistor (IGFET).
In the light of the above statements, choose the most appropriate answer from the options given below :

Accepted Answer

Both (A) and (R) are correct and (R) is the correct explanation of (A)

Answer

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

Answer

(A) is correct but (R) is not correct

Answer

(A) is not correct but (R) is correct

CUET PG 2026 Nanoelectronics Question Paper (13-Mar-2026) (Shift 2)

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