GATE EE

Diode Circuits and Applications

Analog Electronics

(Past Years Questions)

Marks 1

More
For the circuit shown in the figure below, assume that diodes $${D_1},\,{D_2}$$ and $${D_3}$$ are ideal. The $$DC$$ co...
GATE EE 2017 Set 1
In the following circuit, the input voltage $${V_{in}}$$ is $$100\sin \left( {100\pi t} \right).$$ For $$100\pi RC = 50,...
GATE EE 2015 Set 2
The sinusoidal ac source in the figure has an rms value of $${{20} \over {\sqrt 2 }}\,V.$$ Considering all possible valu...
GATE EE 2014 Set 2
The figure shows the circuit of a rectifier fed from a 230 V (rms), 50Hz sinusoidal voltage source. If we want to replac...
GATE EE 2014 Set 1
The $$i$$-v characteristics of the diode in the circuit given below are $$$i = \left\{ {\matrix{ {{{v - 0.7} \over {5...
GATE EE 2012
Assuming that the diodes an ideal in the given circuit, the voltage $${V_0}$$ is ...
GATE EE 2010
The following circuit has a voltage source $${V_s}$$ as shown in the graph. The current through the circuit is also show...
GATE EE 2009
The equivalent circuits of a diode, during forward and reverse biased conditions are shown in figure. (a) (b) If suc...
GATE EE 2008
What are the states of the three ideal diodes of the circuit shown in figure? ...
GATE EE 2006
Assume that $${D_1}$$ and $${D_2}$$ in figure are ideal diodes the value of current $${I_s}$$ is ...
GATE EE 2005
The current through the zener diode in the given circuit is ...
GATE EE 2004
The cut in voltage of both Zener diode $${D_z}$$ and diode $$D$$ shown in Figure is $$0.7$$ $$V,$$ while break down volt...
GATE EE 2002
The forward resistance of the diode shown in figure is $$5\Omega $$ and the remaining parameters are same as those of id...
GATE EE 2002
As temperature is increased, the voltage across a diode carrying a constant current.
GATE EE 1999
The colour code of a $$1k\Omega $$ resistance is
GATE EE 1999
The mobility of an electron in a conductor expressed in terms of
GATE EE 1999
In the following circuit the $$5$$ $$V$$ zener diode requires a minimum current of $$10$$ $$mA.$$ For obtaining a regula...
GATE EE 1992

Marks 2

More
Assuming the diodes to be ideal in the figure, for the output to be clipped, the input voltage $${V_i}$$ must be outside...
GATE EE 2014 Set 2
In the circuit shown below, the knee current of the ideal Zener diode is $$10$$ $$mA.$$ To maintain $$5 V$$ across $${R_...
GATE EE 2013
A voltage $$1000\sin \omega t$$ Volts is applied across $$YZ.$$ Assuming ideal diodes, the voltage measured across $$WX$...
GATE EE 2013
A clipper Circuit is shown below Assuming forward voltage drops of the diodes to be $$0.7V,$$ the input-output transf...
GATE EE 2011
In the voltage doubler circuit shown in figure, the switch $$' S '$$ is closed at $$t=0$$. Assuming diodes $${D_1}$$ & $...
GATE EE 2008
Assuming the diodes $${D_1}$$ and $${D_2}$$ of the circuit shown in the figure to be ideal ones, the transfer characteri...
GATE EE 2006
Assuming that the diodes are ideal in figure the current in the diode $${D_1}$$ is ...
GATE EE 2004
A voltage signal $$\,10\,\,\sin \,\omega t\,\,$$ is applied to the circuit with ideal diodes, as shown in figure. The ma...
GATE EE 2003
A diode whose terminal characteristics are related as $${i_D} = {{\rm I}_S}\,{e^{{V \over {{V_T}}}}},\,$$ where $${{\rm ...
GATE EE 2002
In the single phase diode bridge rectifier shown in the figure, the load resistor is $$R = 50\,\Omega .$$ The source vol...
GATE EE 2002
Figure shows as electronic voltage regulator the zener diode may be assumed to require a minimum current of $$25$$ $$mA$...
GATE EE 1991

Marks 5

More
In the circuit shown in figure calculate and sketch the wave form of current $$'i'$$ over one period of the i/p voltages...
GATE EE 1992

EXAM MAP

Graduate Aptitude Test in Engineering

GATE ECE GATE CSE GATE CE GATE EE GATE ME GATE PI GATE IN

Joint Entrance Examination

JEE Main JEE Advanced