1
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In the ac equivalent circuit shown in the figure, if in is the input current and RF is very large, the type of feedback GATE ECE 2014 Set 1 Electronic Devices and VLSI - IC Basics and MOSFET Question 52 English
A
voltage-voltage feedback
B
voltage-current feedback
C
current-voltage feedback
D
current-current feedback
2
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In the following circuit employing pass transistor logic, all NMOS transistors are identical with a threshold voltage of 1 V. Ignoring the body-effect, the output voltages at P, Q and R are, GATE ECE 2014 Set 1 Electronic Devices and VLSI - IC Basics and MOSFET Question 51 English
A
4 V, 3 V, 2 V
B
5 V, 5 V, 5 V
C
4 V, 4 V, 4 V
D
5 V, 4 V, 3 V
3
GATE ECE 2014 Set 1
Numerical
+2
-0
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=10-8 F/cm2 and $${\mu _n}$$ = 800 cm2/V-s. The value of the resistance of the voltage controlled resistor (in $$\Omega $$ ) is _____.
Your input ____
4
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
For matrices of same dimension $$M,N$$ and scalar $$c,$$ which one of these properties DOES NOT ALWAYS hold ?
A
$${\left( {{M^T}} \right)^T} = M$$
B
$${\left( {cM} \right)^T} = c{\left( M \right)^T}$$
C
$${\left( {M + N} \right)^T} = {M^T} + {N^T}$$
D
$$MN=NM$$
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