GATE ECE 1995 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1995

MCQ (More than One Correct Answer)

-0

A DC circuit shown in the figure has a voltage source V, a current source I and several resistors. A particular resistor R dissipates a power of 4 Watts when V alone is active. The same resistor R dissipates a power of 9 Watts when I alone is active. The power dissipated by R when both sources are active will be

GATE ECE 1995 Network Theory - Network Theorems Question 3 English

1 W

5 W

13 W

25 W

GATE ECE 1995

Subjective

-0

A sinsoidal signal, v(t) = A sin(t), is applied to an ideal full-wave rectifier. Show that the Laplace Transform of the output can be written in the form, $${V_0}\left( s \right) = {A \over {{s^2} + 1}}Coth\left( {\alpha s} \right),$$

where α is a constant. Determine the value of α.

GATE ECE 1995

MCQ (Single Correct Answer)

-0.3

A 1.0 kHz signal is flat - top sampled at the rate of 1800 samples/sec and the samples are applied to an ideal rectangular LPF with cut - off frequency of 1100 Hz, then the output of the filter contains

only 800 Hz component.

800 Hz and 900 Hz components.

800 Hz and 1000 Hz components.

800 Hz, 900 Hz and 1000 Hz components.

GATE ECE 1995

Subjective

-0

A signal v(t)= [1+ m(t) ] cos $$({\omega _c}t)$$ is detected using a square law detector, having the characteristic $${v_0}(t) = {v^2}(t)$$. If the Fourier transform of m(t) is constant, $${M_0}$$, extending from - $${f_{m\,}}\,to\, + {f_{m\,}}$$, sketch the Fourier transform of $${v_0}(t)$$ in the frequency range-$${f_{m\,}}\, < f < {f_{m\,}}$$.

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