GATE ECE 2014 Set 1 | GATE ECE Year Wise Previous Years Questions

GATE ECE 2014 Set 1

MCQ (Single Correct Answer)

-0.3

In the ac equivalent circuit shown in the figure, if i_n is the input current and R_F is very large, the type of feedback GATE ECE 2014 Set 1 Electronic Devices and VLSI - IC Basics and MOSFET Question 55 English

GATE ECE 2014 Set 1 Electronic Devices and VLSI - IC Basics and MOSFET Question 55 English

voltage-voltage feedback

voltage-current feedback

current-voltage feedback

current-current feedback

GATE ECE 2014 Set 1

MCQ (Single Correct Answer)

-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 54 English

GATE ECE 2014 Set 1 Electronic Devices and VLSI - IC Basics and MOSFET Question 54 English

4 V, 3 V, 2 V

5 V, 5 V, 5 V

4 V, 4 V, 4 V

5 V, 4 V, 3 V

GATE ECE 2014 Set 1

Numerical

-0

A depletion type N -channel MOSFET is biased in its linear region for use as a voltage controlled resistor. Assume threshold voltage V_TH = -0.5 V, V_GS = 2.0 V, V_DS = 5 V, W/L=100, C_OX=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 ____

GATE ECE 2014 Set 1

MCQ (Single Correct Answer)

-0.3

For matrices of same dimension $$M,N$$ and scalar $$c,$$ which one of these properties DOES NOT ALWAYS hold ?

$${\left( {{M^T}} \right)^T} = M$$

$${\left( {cM} \right)^T} = c{\left( M \right)^T}$$

$${\left( {M + N} \right)^T} = {M^T} + {N^T}$$

$$MN=NM$$

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