1
GATE ECE 1998
Subjective
+1
-0
For an ADC, match the following : if
List 1
A. Flash converter
B. Dual slope converter
C. Successive approximation Converter

List 2
1. requires a conversion time of the order of a few seconds
2. requires a digital- to- analog converter
3. minimizes the effect of power supply interference.
4. requires a very complex hardware.
5. It is a tracking A/D converter.
2
GATE ECE 1998
Subjective
+5
-0
The mod-5 counter shown in figure counts through states Q2 Q1 Q0 = 000, 001, 010, 011 and 100. GATE ECE 1998 Digital Circuits - Sequential Circuits Question 12 English

(a) Will the counter lockout if it happens to be in any one of the unused states?

(b) Find the maximum rate at which the counter will operate satisfactorily. Assume the propagation delays of flip-flop and AND gate to be tF and tA

3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The Maxwell's equation $$\nabla\times\overrightarrow H\;=\;\overrightarrow J\;+\;\frac{\partial\overrightarrow D}{\partial t}$$ is based on
A
Ampere’s law
B
Gauss’ law
C
Faraday’s law
D
Coulomb’s law
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
A loop is rotating about the y-axis in a magnetic field $$$\overrightarrow B\;=\;B_0\cos\left(\mathrm{ωt}\;+\;\mathrm\phi\;\right)\;{\overrightarrow a}_x\;\mathrm T .$$$ The voltage in the loop is
A
zero
B
due to rotation only
C
due to transformer action only
D
due to both rotation and transformer action
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