1
GATE ECE 2015 Set 2
Numerical
+2
-0
For the voltage regulator circuit shown, the input voltage (Vin) is 20V $$\pm$$ 20% and the regulated output voltage (Vout) is 10 V. Assume the opamp to be ideal . For a load RL drawing 200 mA, the maximum power dissipation in Q1 (in Watts) is ______.
2
GATE ECE 2015 Set 2
Numerical
+2
-0
Assuming that the op-amp in the circuit shown below is ideal, the output voltage V0 (in volts)
3
GATE ECE 2015 Set 1
Numerical
+2
-0
In the circuit shown, assume that the opamp is ideal. The bridge output voltage V0 (in mV) for $$\delta = 0.05$$ is______.
4
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The circuit shown in the figure has an ideal opamp. The oscillation frequency and the condition to sustain the oscillations, respectively, are
A
$${1 \over {CR}}$$ and $$\,{R_1}\,\, = \,\,{R_2}$$
B
$${1 \over {CR}}$$ and $${R_1}\, = \,4{R_2}$$
C
$${1 \over {2CR}}$$ and $${R_1}\, = \,{R_2}$$
D
$${1 \over {2CR}}$$ and $${R_1}\,$$ = 4$${R_2}$$
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