Electronics and Communication Engineering
2017 · Paper 2
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ECE 2017 Paper 2 overview, original pages and practice · Timed previous-paper practice
Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.
Question 52
Open questionECMCQ2 marksNeeds review
Consider a binary memoryless channel characterized by the transition probability diagram shown in the figure.
The channel is
Your answerChoose one option.
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Open questionECNAT2 marksNeeds review
An electron (
) is moving in free space with velocity
m/s towards a stationary electron (
) far away. The closest distance that this moving electron gets to the stationary electron before the repulsive force diverts its path is __________
m. [Given, mass of electron
kg, charge of electron
C, and permittivity
F/m]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 54
Open questionECMCQ2 marksNeeds review
Standard air-filled rectangular waveguides of dimensions
cm and
cm are designed for radar applications. It is desired that these waveguides operate only in the dominant
mode with the operating frequency at least 25% above the cutoff frequency of the
mode but not higher than 95% of the next higher cutoff frequency. The range of the allowable operating frequency
isYour answerChoose one option.
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