GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 946 - 951 of 1076

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Question 946

Time Domain Analysis of Simple Linear Circuits

Appeared in Year: 2016

Question

MCQ▾

The switch has been in position 1 for a long time and abruptly changes to position 2 at .

Time T is in Seconds, the Capacitor Voltage

If time t is in seconds, the capacitor voltage for is given by

Choices

Choice (4)Response

a.

b.

c.

d.

Question 947

Appeared in Year: 2019

Question

Numeric Answer▾

In an ideal p-n junction with an ideality factor of 1 at , the magnitude of the reverse bias voltage required to reach of its reverse saturation current, rounded off to 2 decimal places, is ________mV.

Question 948

Function Generators, Wave-Shaping Circuits and 555 Timers

Appeared in Year: 2016

Question

Numeric Answer▾

In the astable multivibrator circuit shown in the figure, the frequency of oscillation at the output is …

The Astable Multivibrator Circuit Shown in the Figure

Question 949

Z-Transform, Interpolation of Discrete-Time Signals

Appeared in Year: 2015

Question

Numeric Answer▾

Two causal discrete-time signal and are related as . If the z-transform of is

Question 950

Appeared in Year: 2015

Question

Numeric Answer▾

The open loop transfer function of a plant in a unity feedback configuration is given as . The value of the gain for which lies on root locus is …

Question 951

Entropy, Mutual Information and Channel Capacity Theorem

Appeared in Year: 2019

Question

Numeric Answer▾

A random variable takes values and with probabilities and , respectively. It is transmitted across a channel which adds noise , so that the random variable at the channel output is . The noise is independent of , and is uniformly distributed over the interval . The receiver decides

Where the threshold is chosen to minimize the probability of error . The minimum probability of error, rounded off to 1 decimal place, is ________.

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