CUET PG Nanoelectronics Material Sciences Question Paper (MARCH 26,2025) (SHIFT-3)

Question 1

Determine the node voltages $v_1$ and $v_2$ for the given circuit:

Accepted Answer

$V_1 = 20 \ V$, $V_2 = 20 \ V$

Answer

$V_1 = 10 \ V$, $V_2 = 20 \ V$

Answer

$V_1 = 20 \ V$, $V_2 = 10 \ V$

Answer

$V_1 = 10 \ V$, $V_2 = 10 \ V$

Question 2

Evaluate the mesh current $i_1$ in the given circuit:

Accepted Answer

$i_1 = 1.132 \ A$

Answer

$i_1 = 0.132 \ A$

Answer

$i_1 = -1.05 \ A$

Answer

$i_1 = -0.105 \ A$

Question 3

In a circuit, the maximum power will be transferred only if the load resistance is equal to ________.

Accepted Answer

Thevenin's equivalent resistance ($R_{th}$)

Answer

Source resistance ($R_s$)

Answer

$4$ times of thevenin's equivalent resistance ($R_{th}$)

Answer

$4$ times of, source resistance ($R_s$)

Question 4

Choose the correct statement(s) from the options given below:

(A). Non-linear distortion is expected to be minimum in, Single Side-band Suppressed Carrier (SSB-SC) systems and maximum in Amplitude Modulation (AM).
(B). The AM system is always inferior to suppressed carrier systems, from the noise performance point of view.
(C). The receiver of a suppressed carrier system is simple and cheaper than that of the AM system.
(D). An over-modulated signal refers to the condition, when the amplitude of the base-band signal is less than the carrier amplitude.

Choose the correct answer from the options given below:

Accepted Answer

(A) and (B) only

Answer

(A), (B) and (D) only

Answer

(A), (B), (C) and (D)

Answer

(C) and (D) only

Question 5

The voltage across inductor for $t > 0$ in the given circuit is ________.

Accepted Answer

$v = -25e^{-2t} \ V$

Answer

$v = 25e^{-2t} \ V$

Answer

$v = 2.5e^{-2t} \ V$

Answer

$v = -2.5e^{-2t} \ V$

CUET PG Nanoelectronics Material Sciences Question Paper (MARCH 26,2025) (SHIFT-3)

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