1
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
The circuit shown in figure uses an ideal op-amp working with $$+5V$$ and $$-5V$$ power supplies. The output voltage $${V_0}$$ is equal to GATE EE 2000 Analog Electronics - Operational Amplifier Question 62 English
A
$$+5V$$
B
$$-5V$$
C
$$+1V$$
D
$$-1V$$
2
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
The feedback factor for the circuit shown in fig. is GATE EE 2000 Analog Electronics - Operational Amplifier Question 61 English
A
$${9 \over {100}}$$
B
$${9 \over {10}}$$
C
$${1 \over {9}}$$
D
$${1 \over {10}}$$
3
GATE EE 2000
Subjective
+2
-0
An active filter consisting of an op-amp, resistor $${R_1},\,\,{R_2},\,\,{R_3}$$ and two capacitors of value $$C$$ each, has a transfer function
$$T\left( s \right) = {{{{ - s} \over {\left( {{R_1}C} \right)}}} \over {{s^2} + {{2s} \over {\left( {{R_3}C} \right)}} + {1 \over {\left( {R{R_3}{C^2}} \right)}}}}$$
where, $$R = {R_1}||{R_2}$$
If $${R_1} = 2k\Omega ,{R_2} = 2/3\,k\Omega ,\,\,{R_3} = 200\,k\Omega $$ and $$C = 0.1\,\,\mu F,$$ determine the center frequency $${\omega _0},$$ gain $${A_0}$$ and the $$Q$$ of the filter.
4
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
An analog electronic circuit that measures $$rms$$ value of the input voltage by averaging the square of the instantaneous voltage level, responds slowly to changes in the input signal due to
A
the ''square'' function built into the circuit
B
the ''square-root'' function built into the circuit
C
the averaging function built into the circuit
D
none of the above
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