When an input voltage Vin, of the form shown, is applied to the circuit given below, the output voltage Vo is of the form <img src="/images/question-image/engineering-physics/electronics/1689748803-when-an-input-voltage-vin-of-the.png" title="Electronics mcq question image" alt="Electronics mcq question image">

A sinusoidal input voltage V_in of frequency ω is fed to the circuit shown in the figure, where C₁ ≫ C₂. If V_m is the peak value of the input voltage, then output voltage (V_out) is
Electronics mcq question image

A

$$2{V_m}$$

B

$$2{V_o}\sin \omega t$$

C

$$\sqrt 2 {V_m}$$

D

$$\frac{{{V_m}}}{2}\sin \omega t$$

Consider a system whose input r and output y are related by the equation $$y\left( t \right) = \int\limits_{ - \infty }^\infty {x\left( {t - \tau } \right)} h\left( {2\tau } \right)d\tau $$
Signal Processing mcq question image

Where h(t) is shown in the graph
Which of the following four properties are possessed by the system? BIBO: Bounded input gives a bounded output
Causal: The system is causal.
LP : The system is low pass.
LTI: The system is linear and time-invariant.

A

Causal, LP

B

BIBO, LTI

C

BIBO, Causal, LTI

D

LP, LTI

For the rectifier circuit shown in the figure, the sinusoidal voltage (V₁ or V₂) at the output of the transformer has a maximum value of 10 V. The loadresistance R_L, is 1 k$$\Omega $$. If l_av is the average current through the resistor R_L, the circuit corresponds to a
Electronics mcq question image

A

full-wave rectifier with l_av = 20/π mA

B

half-wave rectifier with l_av = 20/π mA

C

half-wave rectifier with l_av = 10/π mA

D

full-wave rectifier with l_av = 10/π mA

Determine $${I_{\text{N}}}$$ for the circuit consisting of VS, R1, R2 and R3 shown in the given circuit.
Circuit Theorems and Conversions mcq question image

A

676 mA

B

245 mA

C

431 mA

D

75 mA

A system provides output yi(t) when xi(t) is applied. If the system is said to be LTI then which of the following properties must satisfy? (i).If the input is x3 = ax1(t) + bx2(t), then output must be y3(t) = ay1(t) + by2(t) (ii).If the input is x(t – T), then the output must be y (t – T) (iii).If the input is x3 = ax1(t) + bx2(t), then output must be y3(t) = ay1(t) * by2(t) (iv).If the input is x(t – T), then the output must be y(t + T)

A

(i), (ii) and (iv)

B

(i), (ii) and (iii)

C

(ii), (iii) and (iv)

D

(i) and (ii)

For the circuit shown, determine Z_TH for the portion of the circuit external to RL.
Circuit Theorems In Ac Analysis mcq question image

A

66.7 ∠-33.7° kΩ

B

6.67 ∠-333.7° kΩ

C

14.4 ∠-56.3° kΩ

D

1.44 ∠-33.7° kΩ

Find the Norton circuit, that is, I_IN and R_N, for the circuit given below.
Circuit Theorems and Conversions mcq question image

A

478 mA, 12.8 Ω

B

750 mA, 12.8 Ω

C

478 mA, 6.8 Ω

D

750 mA, 6.8 Ω

For the given circuit, find V_TH for the circuit external to RL.
Circuit Theorems In Ac Analysis mcq question image

A

4.69 ∠51.3° V

B

4.69 ∠38.7° V

C

469 ∠38.7° mV

D

6 ∠0° V

Referring to the given circuit, find Z_TH for the part of the circuit that is external to RL.
Circuit Theorems In Ac Analysis mcq question image

A

129 ∠21.4° Ω

B

43.7 ∠68.6° Ω

C

43.7 ∠21.4° Ω

D

12.9 ∠68.6° Ω

The centre of gravity of the trapezium as shown in below figure from the side is at a distance of
Applied Mechanics and Graphic Statics mcq question image

Applied Mechanics and Graphic Statics mcq question image

A

$$\frac{{\text{h}}}{3} \times \frac{{{\text{b}} + {\text{2a}}}}{{{\text{b}} + {\text{a}}}}$$

B

$$\frac{{\text{h}}}{3} \times \frac{{2{\text{b}} + {\text{a}}}}{{{\text{b}} + {\text{a}}}}$$

C

$$\frac{{\text{h}}}{2} \times \frac{{{\text{b}} + {\text{2a}}}}{{{\text{b}} + {\text{a}}}}$$

D

$$\frac{{\text{h}}}{2} \times \frac{{2{\text{b}} + {\text{a}}}}{{{\text{b}} + {\text{a}}}}$$

When an input voltage V_in, of the form shown, is applied to the circuit given below, the output voltage V_o is of the form

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