A voltage source with voltage $${{rV} \over {{r_1}//{R_2}}}$$
B
A voltage source with voltage $${{r//{R_2}} \over {{R_1}}}V$$
C
A current source with current $${{r//{R_2}} \over {{R_1} + {R_2}}}.{V \over r}$$
D
A current source with current $${{{R_2}} \over {{R_1} + {R_2}}}.{V \over r}$$
2
GATE EE 2006
MCQ (Single Correct Answer)
For given sinusoidal input voltage, the voltage waveform at point $$P$$ of the clamper circuit shown in figure will be
A
B
C
D
3
GATE EE 2003
MCQ (Single Correct Answer)
For the circuit shown in figure with an ideal operational amplifier, the maximum phase shift of the output $${V_o}$$ with reference to the input $${V_{in}}$$ is
A
$${0^0}$$
B
$$ - {90^0}$$
C
$$ + {90^0}$$
D
$$ \pm {180^0}$$
4
GATE EE 2000
MCQ (Single Correct Answer)
The feedback factor for the circuit shown in fig. is
A
$${9 \over {100}}$$
B
$${9 \over {10}}$$
C
$${1 \over {9}}$$
D
$${1 \over {10}}$$
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