Questions by admin / GO Electronics

0 votes

0 answers

1961

GATE ECE 2017 Set 1 | Question: 15
In the latch circuit shown, the $NAND$ gates have non-zero, but unequal propagation delays. The present input condition is $P=Q=’0’$. If the input condition is changed simultaneously to $P=Q=’1’$, the outputs $X$ and $Y$ are, $X=’1’$, $Y=’1’$ either $X=’1’$, $Y=’0’$ or $X=’0’$, $Y=’1’$ either $X=’1’$, $Y=’1’$ or $X=’0’$, $Y=’0’$ $X=’0’$, $Y=’0’$

In the latch circuit shown, the $NAND$ gates have non-zero, but unequal propagation delays. The present input condition is $P=Q=’0’$. If the input condition is change...

170 views

asked Nov 17, 2017

0 votes

0 answers

1962

GATE ECE 2017 Set 1 | Question: 14
The Miller effect in the context of a Common Emitter amplifier explains An increase in the low-frequency cutoff frequency An increase in the high-frequency cutoff frequency A decrease in the low-frequency cutoff frequency A decrease in the high -frequency cutoff frequency

The Miller effect in the context of a Common Emitter amplifier explainsAn increase in the low-frequency cutoff frequencyAn increase in the high-frequency cutoff frequency...

521 views

asked Nov 17, 2017

0 votes

0 answers

1963

GATE ECE 2017 Set 1 | Question: 13
A good transconductance amplifier should have High input resistance and low output resistance Low input resistance and high output resistance High input and output resistance Low input and output resistance

A good transconductance amplifier should haveHigh input resistance and low output resistanceLow input resistance and high output resistanceHigh input and output resistanc...

98 views

asked Nov 17, 2017

1 votes

0 answers

1964

GATE ECE 2017 Set 1 | Question: 27
A three dimensional region $R$ of finite volume is described by $x^2 + y^2 \leq z^3; \: \: 0 \leq z \leq 1,$ where $x,y,z$ are real. The volume of $R$ (up to two decimal places) is _________

A three dimensional region $R$ of finite volume is described by $x^2 + y^2 \leq z^3; \: \: 0 \leq z \leq 1,$ where $x,y,z$ are real. The volume of $R$ (up to two decimal...

342 views

asked Nov 17, 2017

0 votes

0 answers

1965

GATE ECE 2017 Set 1 | Question: 12
For the operational amplifier circuit shown, the output saturation voltage are $\pm 15 \:V$. The upper and lower threshold voltages for the circuit are,respectively, $+ 5 \: V$ and $– 5 V$ $+ 7 \: V$ and $– 3 \: V$ $+ 3 \: V$ and $- 7 \: V$ $+ 3 \: V$ and $– 3 \: V$

For the operational amplifier circuit shown, the output saturation voltage are $\pm 15 \:V$. The upper and lower threshold voltages for the circuit are,respectively,$+ 5 ...

232 views

asked Nov 17, 2017

0 votes

0 answers

1966

GATE ECE 2017 Set 1 | Question: 11
For a narrow base PNP BJT , the excess minority carrier concentrations($\Delta n_{E}$ for emitter,$\Delta p_{B}$ for base ,$\Delta n_{c}$ for collector) normalized to equilibrium minority carrier concentrations($n_{E0}$ for ... are shown below. Which one of the following biasing modes is the transistor operating in? Forward active Satiration Inverse active Cutoff

For a narrow base PNP BJT , the excess minority carrier concentrations($\Delta n_{E}$ for emitter,$\Delta p_{B}$ for base ,$\Delta n_{c}$ for collector) normalized to eq...

366 views

asked Nov 17, 2017

0 votes

0 answers

1967

GATE ECE 2017 Set 1 | Question: 8
A periodic signal $x(t)$ has a trigonometric Fourier series expansion $x( t )= a_{0}+\sum_{n=1}^{ \infty } ( a_{n} \cos n\omega _{0}t+b_{n}\sin n\omega _{0}t )$ If $x(t)= -x(-t)=-x(t-\frac{\pi }{\omega _{0}})$, we can conclude that $a_n$ ... $n$ odd $a_n$ are zero for $n$ even and $b_n$ are zero for $n$ odd $a_n$ are zero for $n$ odd and $b_n$ are zero for $n$ even

A periodic signal $x(t)$ has a trigonometric Fourier series expansion$$x( t )= a_{0}+\sum_{n=1}^{ \infty } ( a_{n} \cos n\omega _{0}t+b_{n}\sin n\omega _{0}t )$$If $x(t)=...

171 views

asked Nov 17, 2017

0 votes

0 answers

1968

GATE ECE 2017 Set 1 | Question: 10
An $n^+-n$ Silicon device is fabricated with uniform and non-degenerate donor doping concentrations of $N_{D1}=1\times 10^{18}cm^{-3}$ and $N_{D2}=1\times 10^{15}cm^{-3}$ corresponding to the $n^+$ and $n$ regions respectively. At the operational temperature $T$, ... of the build-in potential of this device? $0.748 \: V$ $0.460 \: V$ $0.288 \: V$ $0.173 \: V$

An $n^+-n$ Silicon device is fabricated with uniform and non-degenerate donor doping concentrations of $N_{D1}=1\times 10^{18}cm^{-3}$ and $N_{D2}=1\times 10^{15}cm^{-3}$...

143 views

asked Nov 17, 2017

0 votes

0 answers

1969

GATE ECE 2017 Set 1 | GA Question: 7
S, T, U, V, W, X, Y and Z are seated around a circular table .T’s neighbors are Y and V. Z is seated third to the left of T and second to the right of S. U’s neighbors are S and Y; and T and W are not seated opposite each other .Who is third to the left of V? X W U T

S, T, U, V, W, X, Y and Z are seated around a circular table .T’s neighbors are Y and V. Z is seated third to the left of T and second to the right of S. U’s neighbo...

102 views

asked Nov 17, 2017

0 votes

0 answers

1970

GATE ECE 2017 Set 1 | Question: 6
Consider a single input single output discrete-time system with $x[ n ]$ as input and $y [ n ]$ ... statements is true about the system? It is causal and stable It is causal but not stable It is not causal but stable It is neither causal nor stable

Consider a single input single output discrete-time system with $x[ n ]$ as input and $y [ n ]$ as output, where the two are related as$$y [ n ]= \begin{cases} n \mid x [...

215 views

asked Nov 17, 2017

0 votes

0 answers

1971

GATE ECE 2017 Set 1 | Question: 5
Consider the following statements for continuous-time linear time invariant (LTI) systems. There is no bounded input bounded output (BIBO) stable system with a pole in the right half of the complex plane. There is no causal and BIBO stable with a pole in the ... following is correct? Both I and II are true Both I and II are not true Only I is true Only II is true

Consider the following statements for continuous-time linear time invariant (LTI) systems.There is no bounded input bounded output (BIBO) stable system with a pole in the...

214 views

asked Nov 17, 2017

0 votes

0 answers

1972

GATE ECE 2017 Set 1 | Question: 4
Three fair cubical dice are thrown simultaneously . The probability that all three dice have the same number of dots on the faces showing up is (up to third decimal place)________.

Three fair cubical dice are thrown simultaneously . The probability that all three dice have the same number of dots on the faces showing up is (up to third decimal place...

163 views

asked Nov 17, 2017

0 votes

0 answers

1973

GATE ECE 2017 Set 1 | GA Question: 5
Some tables are shelves. Some shelves are chairs. All chairs are benches. Which of the following conclusion can be deduced from the preceding sentences? At least one bench is a table At least one shelf is a bench At least one chair is a table All benches are chairs Only $\text{i}$ Only $\text{ii}$ Only $\text{ii}$ and $\text{iii}$ Only $\text{iv}$

Some tables are shelves. Some shelves are chairs. All chairs are benches. Which of the following conclusion can be deduced from the preceding sentences?At least one bench...

131 views

asked Nov 17, 2017

0 votes

0 answers

1974

GATE ECE 2017 Set 1 | GA Question: 4
$40 \%$ of deaths on city roads may be attributed to drunken driving. The number of degrees needed to represent this as a slice of a pie chart is $120$ $144$ $160$ $212$

$40 \%$ of deaths on city roads may be attributed to drunken driving. The number of degrees needed to represent this as a slice of a pie chart is$120$$144$$160$$212$

115 views

asked Nov 17, 2017

0 votes

0 answers

1975

GATE ECE 2017 Set 1 | GA Question: 3
In the summer, water consumption is known to decrease overall by $25 \%$. A Water Board official states that in the summer household consumption decreases by $20 \%$, while other consumption increases by $70 \%$. Which of the following statement is ... is $1/17$ The ratio of household to other consumption is $17/8$ There are errors in the official's statement.

In the summer, water consumption is known to decrease overall by $25 \%$. A Water Board official states that in the summer household consumption decreases by $20 \%$, whi...

92 views

asked Nov 17, 2017

0 votes

0 answers

1976

GATE ECE 2017 Set 1 | Question: 16
The clock frequency of an $8085$ microprocessor is $5$ MHz . If the time required to execute an instruction is $1.4 \: \mu s$, then the number of T-states needed for executing the instruction is $1$ $6$ $7$ $8$

The clock frequency of an $8085$ microprocessor is $5$ MHz . If the time required to execute an instruction is $1.4 \: \mu s$, then the number of T-states needed for exec...

317 views

asked Nov 17, 2017

0 votes

0 answers

1977

GATE ECE 2017 Set 1 | GA Question: 9
There are $3$ Indians and $3$ Chinese in a group of $6$ people. How many subgroups of this group can we choose so that every subgroup has at least one Indian? $56$ $52$ $48$ $44$

There are $3$ Indians and $3$ Chinese in a group of $6$ people. How many subgroups of this group can we choose so that every subgroup has at least one Indian?$56$$52$$48$...

113 views

asked Nov 17, 2017

0 votes

0 answers

1978

GATE ECE 2017 Set 1 | GA Question: 8
Trucks ($10$ m long) and cars ($5$ m long) go on a single lane bridge. There must be a gap of at least $20$ m after each truck and a gap of at least $15$ m after each car. Trucks and cars travel at a speed of $36$ km/h. If cars and trucks go alternately, what is the maximum number of vehicles that can use the bridge in one hour? $1440$ $1200$ $720$ $600$

Trucks ($10$ m long) and cars ($5$ m long) go on a single lane bridge. There must be a gap of at least $20$ m after each truck and a gap of at least $15$ m after each car...

109 views

asked Nov 17, 2017

0 votes

0 answers

1979

GATE ECE 2017 Set 1 | Question: 7
In the circuit shown, the positive angular frequency $\omega$ (in radians per second) at which the magnitude of the phase difference between the voltages $V_1$ and $V_2$ equals $\frac{\pi}{4}$ radians, is _________

In the circuit shown, the positive angular frequency $\omega$ (in radians per second) at which the magnitude of the phase difference between the voltages $V_1$ and $V_2$ ...

185 views

asked Nov 17, 2017

0 votes

1 answer

1980

GATE ECE 2017 Set 1 | GA Question: 6
If you are looking for a history of India, or for an account of the rise and fall of the British Raj, or for all reason of the cleaving of the subcontinent into two mutually antagonistic parts and the effects this ... for impartial recording of these matters . Here, the word antagonistic' is closest in meaning to, Impartial Argumentative Separated Hostile

“If you are looking for a history of India, or for an account of the rise and fall of the British Raj, or for all reason of the cleaving of the subcontinent into two mu...

142 views

asked Nov 17, 2017

0 votes

0 answers

1981

GATE ECE 2017 Set 1 | GA Question: 2
I __________ made arrangements had I _________informed earlier. could have, been would have, being had, have had been, been

I __________ made arrangements had I _________informed earlier.could have, beenwould have, beinghad, havehad been, been

107 views

asked Nov 17, 2017

0 votes

1 answer

1982

GATE ECE 2017 Set 1 | GA Question: 1
She has a sharp tongue and it can occasionally turn__________________ Hurtful Left Methodical Vital

She has a sharp tongue and it can occasionally turn__________________HurtfulLeftMethodicalVital

188 views

asked Nov 17, 2017

0 votes

0 answers

1983

GATE ECE 2017 Set 1 | Question: 3
Consider the following statements about the linear dependence of the real valued function $y_{1}=1,y_{2}=x$ and $y_{3}=x^{2}$ over the field of real numbers. $y_{1},y_{2}$ and $y_{3} $ are linearly independent on $-1\leq x\leq 0$ ... among the following is correct? Both I and II are true Both I and III are true Both II and IV are true Both III and IV are true

Consider the following statements about the linear dependence of the real valued function $y_{1}=1,y_{2}=x$ and $y_{3}=x^{2}$ over the field of real numbers.$y_{1},y_{2}$...

646 views

asked Nov 17, 2017

0 votes

0 answers

1984

GATE ECE 2017 Set 1 | Question: 2
The rank of the matrix $\textbf{M} = \begin{bmatrix} 5&10&10 \\ 1 &0 &2 \\ 3&6&6 \end{bmatrix}$ is $0$ $1$ $2$ $3$

The rank of the matrix $$\textbf{M} = \begin{bmatrix} 5&10&10 \\ 1 &0 &2 \\ 3&6&6 \end{bmatrix}$$ is$0$$1$$2$$3$

523 views

asked Nov 17, 2017

0 votes

0 answers

1985

GATE ECE 2017 Set 1 | Question: 1
Consider the 5 $\times$ 5 matrix $\begin{bmatrix} 1&2&3&4&5\\ 5&1 &2& 3 &4\\ 4&5&1&2&3\\ 3&4&5&1&2\\ 2&3&4&5&1 \end{bmatrix}$ It is given that A has only one real eigenvalue. Then the real eigenvalue of A is $-2.5$ $0$ $15$ $25$

Consider the 5 $\times$ 5 matrix$$\begin{bmatrix} 1&2&3&4&5\\ 5&1 &2& 3 &4\\ 4&5&1&2&3\\ 3&4&5&1&2\\ 2&3&4&5&1 \end{bmatrix}$$It is given that A has only one real eigenv...

385 views

asked Nov 17, 2017