GATE ECE 1988 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1988

MCQ (Single Correct Answer)

-0.6

The OP-AMP shown in fig. below is ideal. $$R\, = \,\sqrt {L/C.} $$ The phase angle between V₀ and V_i at $$\omega = 1/\sqrt {LC} $$ is GATE ECE 1988 Analog Circuits - Operational Amplifier Question 23 English

GATE ECE 1988 Analog Circuits - Operational Amplifier Question 23 English

$$\pi /2$$

$$\pi $$

$$3\pi /2$$

$$2\pi $$

GATE ECE 1988

Subjective

-0

The Op-Amp in the Fig below is ideal. Find the output when V_i = (1-exp($$ - \alpha t$$)) u(t). Assume the capacitor to be uncharged when the input is applied and $$ - \alpha $$ = 1/CR₁. $$\left[ {u(t)\,\,is\,the\,unit\,step\,function.} \right]$$ GATE ECE 1988 Analog Circuits - Operational Amplifier Question 7 English

GATE ECE 1988

MCQ (Single Correct Answer)

-0.6

In a digital communication system, transmissions of successive bits through a noisy channel are assumed to be independent events with error probability p. The probability of at most one error in the transmission of an 8 - bit sequence is

$$7\left( {1 - p} \right)/8 + p/8$$

$${\left( {1 - p} \right)^8} + 8p{\left( {1 - p} \right)^7}$$

$${\left( {1 - p} \right)^8} + {\left( {1 - p} \right)^7}$$

$${\left( {1 - p} \right)^8} + p{\left( {1 - p} \right)^7}$$

GATE ECE 1988

MCQ (Single Correct Answer)

-0.6

The transfer function of a zero - order hold is

$${{1 - \exp \left( { - Ts} \right)} \over s}$$

$$1$$

$${1 \over {\left[ {1 - \exp \left( { - Ts} \right)} \right]}}$$

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