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GATE EC 2019 Question Paper (09-Feb-2019) (Shift 1)

Medium 65 Questions 180 min 100 marks

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180 min · 100 marks · Full test mode with leaderboard

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Question No: 21Difficulty: mediumMarks: 1mcq

What is the electric flux \int E . d \overset{a}{^} through a quarter-cylinder of height H (as shown in the figure) due to an infinitely long line charge along the axis of the cylinder with a charge density of Q?

Question No: 22Difficulty: mediumMarks: 1mcq

In the table shown, List I and List II, respectively, contain terms appearing on the left-hand side and the right-hand side of Maxwell’s equations (in their standard form). Match the left-hand side with the corresponding right-hand side. List I List II 1. \nabla. D P 0 2. \nabla \times E Q ρ_{v} 3. \nabla. B R - \frac{\partial B}{\partial t} 4. \nabla \times H S J + \frac{\partial D}{\partial t}

Question No: 23Difficulty: mediumMarks: 1mcq

A standard CMOS inverter is designed with equal rise and fall times (βₙ = βₚ). If the width of the P MOS transistor in the inverter is increased, what would be the effect on the LOW noise margin (NM_{L}) and the HIGH noise margin (NM_{H}) ?

Question No: 24Difficulty: mediumMarks: 2mcq

In the circuit shown, what are the values of F for EN = 0 and EN = 1, respectively?

Question No: 25Difficulty: mediumMarks: 1mcq

In the circuit shown, A and B are the inputs and F is the output. What is the functionality of the circuit?

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