NEW
New Website Launch
Experience the best way to solve previous year questions with mock tests (very detailed analysis), bookmark your favourite questions, practice etc...
1

GATE EE 2017 Set 2

MCQ (Single Correct Answer)
For the circuit shown in the figure below, it is given that $${V_{CE}} = {{{V_{CC}}} \over 2}.$$ The transistor has $$\beta = 29$$ and $${V_{BE}} = 0.7\,\,V$$ when the $$B$$-$$E$$ junction is forward biased.

For this circuit, the value of $${{{R_B}} \over R}$$ is

A
$$43$$
B
$$92$$
C
$$121$$
D
$$129$$
2

GATE EE 2017 Set 1

Numerical
The circuit shown in the figure uses matched transistors with a thermal voltage $${V_T} = 25\,mV.$$ The base currents of the transistors are negligible. The value of the resistance $$R$$ in $$k\Omega $$ that is required to provide $$1\,\,\,\mu A$$ bias current for the differential amplifier block shown is ____________.
Your Input ________

Answer

Correct answer is between 170 and 174
3

GATE EE 2012

MCQ (Single Correct Answer)
The voltage gain $${A_V}$$ of the circuit shown below is
A
$$\left| {{A_V}} \right| \approx 200$$
B
$$\left| {{A_V}} \right| \approx 100$$
C
$$\left| {{A_V}} \right| \approx 20$$
D
$$\left| {{A_V}} \right| \approx 10$$
4

GATE EE 2011

MCQ (Single Correct Answer)
The transistor used in the circuit shown below has a $$\beta $$ of $$30$$ and $${{\rm I}_{CBO}}$$ is negligible.

If the forward voltage drop of diode is $$0.7V.$$ Then the current through collector will be

A
$$168$$ $$mA$$
B
$$108$$ $$mA$$
C
$$20.54$$ $$mA$$
D
$$5.36$$ $$mA$$

Joint Entrance Examination

JEE Main JEE Advanced WB JEE

Graduate Aptitude Test in Engineering

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

Medical

NEET

CBSE

Class 12