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1
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
The switch $$'S'$$ is the circuit of the figure is initially closed. It is opened at time $$t=0.$$ You may neglect the zener diode forward voltage drops. What is the behavior of $${V_{OUT}}$$ for $$t > 0$$ GATE EE 2007 Analog Electronics - Operational Amplifier Question 33 English
A
It makes a transition from $$ - 5V$$ to $$ + 5V$$ at $$t=12.98$$$$\mu \sec .$$
B
It makes a transition from $$ - 5V$$ to $$ + 5V$$ at $$t=2.57$$$$\mu \sec .$$
C
It makes a transition from $$ + 5V$$ to $$ - 5V$$ at $$t=12.98$$$$\mu \sec .$$
D
It makes a transition from $$ + 5V$$ to $$ - 5V$$ at $$t=2.57$$$$\mu \sec .$$
2
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
The input signal $${V_{in}}$$ shown in the figure is a $$1$$ $$kHz$$ square wave voltage that alternates between $$+7V$$ and $$-7V$$ with a $$50\% $$ duty cycle. Both transistors have the same current gain, which is large. The circuit delivers power to the load resistor $${R_L}.$$ What is the efficiency of this circuit for the given input? Choose the closest answer. GATE EE 2007 Analog Electronics - Operational Amplifier Question 32 English
A
$$46\% $$
B
$$55\% $$
C
$$63\% $$
D
$$92\% $$
3
GATE EE 2006
MCQ (Single Correct Answer)
+2
-0.6
A relaxation oscillator is made using op-amp as shown in figure. The supply Voltage of the op-amp are $$ \pm 12$$ the voltage waveform at point $$'p'$$ will be GATE EE 2006 Analog Electronics - Operational Amplifier Question 34 English
A
GATE EE 2006 Analog Electronics - Operational Amplifier Question 34 English Option 1
B
GATE EE 2006 Analog Electronics - Operational Amplifier Question 34 English Option 2
C
GATE EE 2006 Analog Electronics - Operational Amplifier Question 34 English Option 3
D
GATE EE 2006 Analog Electronics - Operational Amplifier Question 34 English Option 4
4
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
In the given figure, if the input is a sinusoidal signal, the output-will appear as shown GATE EE 2005 Analog Electronics - Operational Amplifier Question 35 English 1 GATE EE 2005 Analog Electronics - Operational Amplifier Question 35 English 2
A
GATE EE 2005 Analog Electronics - Operational Amplifier Question 35 English Option 1
B
GATE EE 2005 Analog Electronics - Operational Amplifier Question 35 English Option 2
C
GATE EE 2005 Analog Electronics - Operational Amplifier Question 35 English Option 3
D
GATE EE 2005 Analog Electronics - Operational Amplifier Question 35 English Option 4
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Electric Circuits
Network Elements Transient Response Two Port Networks Sinusoidal Steady State Analysis Network Theorems Three Phase Circuits Graph Theory
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Continuous Time Signal Fourier Transform Miscellaneous Discrete Time Signal Z Transformation Continuous Time Periodic Signal Fourier Series Continuous and Discrete Time Signals Continuous Time Signal Laplace Transform Linear Time Invariant Systems Sampling Theorem
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Single and Three Phase Rectifier Inverters Power Semiconductor Devices Ac Voltage Controllers Choppers and Commutation Techniques
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Boolean Algebra Combinational Circuits Logic Gates Logic Families and Memories Minimization Sequential Circuits Analog to Digital and Digital to Analog Converter Microprocessor
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Controller and Compensator Root Locus Techniques Polar Nyquist and Bode Plot State Variable Analysis Basics of Control System Time Response Analysis Routh Hurwitz Stability Block Diagram and Signal Flow Graph
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Potentiometer and Instrument Transformers Measurement of Resistance and A.C Bridges Measurement of Energy and Power Cathode Ray Oscilloscope Digital Voltmeters Questions Basic of Indicating Instruments Error Analysis and Measurement
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Verbal Ability Logical Reasoning Numerical Ability
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