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GATE preparation for Electronics and Communication Engineering

(355 Posts)

This thread is dedicated to preparation for Electronics and Communication Engineering - EC section of GATE. You may share questions related to topics like Digital circuits, Digital Electronics, Electromagnetics, Analog Circuits, Communications, Electronic Devices, Network Graphs, Signals and System, Control System etc.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
Question should be at least 10 characters long.
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Kaipasahithi
Shared from GATE Mock Test - 1 (Electronics on Jan 26, 2023 9:21 PM

Let f (x) = ex in [0, 1], the value of c of the mean - value theorem is

 
0.5
(e - 1)
log (e - 1)
None of these
Please type your answer before submitting.

Log (e-1) is like base 10 right

Divyank Mittal
Shared from Signals on Apr 01, 2020 12:26 PM

The discrete-time signal x[n] transform-pair relationship where denotes a transform-pair relationship, is orthogonal to the signal

 
Please type your answer before submitting.

This is incorrect answer

M.gangadhar
Shared from GATE-2014 (EC) Set-I on Jan 30, 2019 12:02 AM

A depletion type N-channel MOSFET is biased in its linear region for use as a voltage controlled resistor. Assume threshold voltage VTH = - 0.5 V, VGS = 2.0 V, VDS = 5 V, W/L = 100, Cox = 10 F/cm and n = 800 cm2/V – s. The value of the resistance of the voltage controlled resistor (in ) is ______.

Please type your answer before submitting.

Qsn is wrong

Rishabh Shukla
Shared from GATE-2011 (EC) on Jan 27, 2019 4:45 PM

There are two candidates P and Q in an election. During the campaign, 40% of the voters promised to vote for P, and rest for Q. However, on the day of election 15% of the voters went back on their promise to vote for P and instead voted for Q. 25% of the voters went back on their promise to vote for Q and instead voted for P. Suppose, P lost by 2 votes, then what was the total number of voters?

The question below consists of a pair of related words followed by four pairs of words. Select the pair that best expresses the relation in the original pair:
Gladiator : Arena

 
dancer : stage
commuter: train
teacher : classroom
lawyer : courtroom
Please type your answer before submitting.

Wrong answer marked.

Anurag Reddy
Shared from GATE Mock Test - 13 (Electronics... on Jan 25, 2019 6:23 PM

Consider an op-amp with differential gain 106 and CMRR 105. What will be the common mode gain of the op-amp?

 
10
1
0
10 - 1
Please type your answer before submitting.

Question was wrong sir