GATE ECE 2010 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2010

MCQ (Single Correct Answer)

-0.3

The transfer characteristic for the precision rectifier circuit shown below is (assume ideal OP-AMP and practical diodes) GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English

GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English

GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English Option 1

GATE ECE 2010 Analog Circuits - Operational Amplifier Question 69 English Option 2

GATE ECE 2010

MCQ (Single Correct Answer)

-0.3

Assuming the OP-AMP to be ideal, the voltage gain of the amplifier shown below is GATE ECE 2010 Analog Circuits - Operational Amplifier Question 70 English

GATE ECE 2010 Analog Circuits - Operational Amplifier Question 70 English

$$ - {{{R_2}} \over {{R_1}}}$$

$$ - {{{R_3}} \over {{R_1}}}$$

$$ - \left[ {{{\left. {{R_{2\,}}} \right\|{R_3}} \over {{R_1}}}} \right]\,$$

$$ - \left[ {{{{R_2} + {R_3}} \over {{R_1}}}} \right]$$

GATE ECE 2010

MCQ (Single Correct Answer)

-0.3

Consider an angle modulated signal x(t) = 6cos[2$$\mathrm\pi$$x10⁶ t+2sin(8000$$\mathrm\pi$$t) + 4cos(8000$$\mathrm\pi$$t)] V. The average power of x(t) is.

10 W

18 W

20 W

28 W

GATE ECE 2010

MCQ (Single Correct Answer)

-0.6

X(t) is a stationary process with the power spectral density S_x(f) > 0 for all f. The process is passed through a system shown below. GATE ECE 2010 Communications - Random Signals and Noise Question 40 English

GATE ECE 2010 Communications - Random Signals and Noise Question 40 English

Let S_y(f) be the power spectral density of Y(t). Which one of the following statements is correct?

S_y(f) > 0 for all f

S_y(f) > 0 for $$\left| f \right|$$ > 1 kH

S_y(f) > 0 for f = nf₀, f₀ = 2kHz, n any integer

S_y(f) > 0 for f = (2n + 1)f₀, f₀ = 1 kHz, n any integer

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