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A transistor circuit is given below. The Zener diode breakdown voltage is $$5.3$$ $$V$$ as shown. Take base to emitter v...
GATE EE 2016 Set 1
When a bipolar junction transistor is operating in the saturation mode, which one of the following statements is TRUE ab...
GATE EE 2015 Set 2
In the following circuit, the transistor is in active mode and $${V_C} = 2V.$$ To get $${V_C} = 4V,$$ we replace $${R_C}... GATE EE 2015 Set 2 In the given circuit, the silicon transistor has$$\beta =75$$and a collector voltage$${V_C} = 9\,V.$$Then the r... GATE EE 2015 Set 1 The transistor in the given circuit should always be in active region. Take$${V_{CE\left( {sat} \right)}} = 0.2\,\,V,\...
GATE EE 2014 Set 2
The magnitude of the mid-band voltage gain of the circuit shown in figure is (assuming $${h_{fe}}$$ of the transistor to...
GATE EE 2014 Set 1
The common emitter forward current gain of the transistor shown is $${\beta _p} = 100.$$ The transistor is operating in...
GATE EE 2007
The three terminal linear voltage regular is connected to a $$10\Omega$$ load resistor as shown in the figure. If $${V_... GATE EE 2007 Assume that the$$N$$-channel$$MOSFET$$shown in figure is ideal, and that its threshold voltage is The voltage$${\rm...
GATE EE 2005
Two perfectly matched silicon transistors are connected as shown in figure. The value of the current $${\rm I}$$ is ...
GATE EE 2004
A bipolar junction transistor (BJT) is used as a power control switch by biasing it in the cutoff region (OFF state) or ...
GATE EE 2004
In the circuit of figure shown, assume that the transistor has $${h_{fe}} = 99$$ and $${V_{BE}} = 0.7V.$$ The value of ...
GATE EE 2003
The variation of drain current with gate-to-source voltage $$\left( {{{\rm I}_D} - {V_{GS}}} \right.$$ characteristic$$\... GATE EE 2003 The enhancement type n-channel MOSFET is represented by the symbol GATE EE 1999 One of the applications of current mirror is GATE EE 1998 The depletion region (or) space charge region (or) transition region in a semiconductor$$p-n$$junction diode has GATE EE 1996 In the transistor circuit shown in figure. Collector to ground voltage is$$+20V.$$Which of the following is the probab... GATE EE 1994 Figure shown below shows a common emitter amplifier. The quiescent collector voltage of the circuit is approximately. ... GATE EE 1991 ## Marks 2 More For the circuit shown in the figure below, it is given that$${V_{CE}} = {{{V_{CC}}} \over 2}.$$The transistor has$$\b...
GATE EE 2017 Set 2
The circuit shown in the figure uses matched transistors with a thermal voltage $${V_T} = 25\,mV.$$ The base currents of...
GATE EE 2017 Set 1
The voltage gain $${A_V}$$ of the circuit shown below is ...
GATE EE 2012
The transistor used in the circuit shown below has a $$\beta$$ of $$30$$ and $${{\rm I}_{CBO}}$$ is negligible. If th...
GATE EE 2011
The transistor circuit shown uses a silicon transistor with $${V_{BE}} = 0.7V,{{\rm I}_C} \approx {{\rm I}_E}$$ and a $$... GATE EE 2010 Two perfectly matched silicon transistors are connected as shown in the figure. Assuming the$$\beta $$of the transisto... GATE EE 2008 Consider the circuit shown in figure. If the$$\beta $$of the transistor is$$30$$and$${{\rm I}_{CBO}}$$is$$20$$... GATE EE 2006 The common emitter amplifier shown in the figure is biased using a$$1mA$$ideal current source. The approximate base cu... GATE EE 2005 Assume that the threshold voltage of the$$N$$-channel$$MOSFET$$shown in figure is$$0.75V.$$The output characte... GATE EE 2005 Assume that the threshold voltage of the$$N$$-channel$$MOSFET$$shown in figure is$$0.75V.$$The output characte... GATE EE 2005 The value of$$R$$for which the$$PMOS$$transistor in Figure.$$Q63$$will be biased in linear region is ... GATE EE 2004 For the$$n$$-channel enhancement$$MOSFET$$shown in figure,, the threshold voltage$${V_{th}}\,\, = \,\,2V.$$The drai... GATE EE 2003 In the circuit shown, the current gain$$'\beta '$$of the ideal transistor is$$10.$$The operating point of the transi... GATE EE 2003 An$$N$$-channel$$JFET$$having a pinch-off voltage$$\left( {{V_P}} \right)$$of$$-5V$$shows a transconductance (gm)... GATE EE 2001 In the circuit of figure, the value of the base current$${{\rm I}_B}$$will be ... GATE EE 2000 A$$NPN$$Si transistor is meant for low-current audio amplification. Match is following characteristic against their va... GATE EE 1998 ## Marks 5 More For the circuit shown in Figure,$${{\rm I}_E} = 1\,\,mA,\,\,\,\beta = 99$$and$${V_{BE}} = 0.7\,\,V determine (a) C...
GATE EE 2002

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