1
GATE ECE 2016 Set 2
Numerical
+1
-0
Resistor R1 in the circuit below has been adjusted so that I1 = 1 mA. The bipolar transistor Q1 and Q2 are perfectly matched and have very high current gain, so their base currents are negligible. The supply voltage Vcc is 6 V. The thermal voltage kT/q is 26 mV. GATE ECE 2016 Set 2 Analog Circuits - Bipolar Junction Transistor Question 48 English

The value of R2 (in $$\Omega $$ ) for which I2 = 100 $$\mu {\rm A}$$ is ________.

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2
GATE ECE 2016 Set 3
Numerical
+1
-0
Consider the circuit shown in the figure. Assuming VBE1 = VEB2 = 0.7 volt, value of the dc voltage Vc2 (in volt) is _______ GATE ECE 2016 Set 3 Analog Circuits - Bipolar Junction Transistor Question 47 English
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3
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
If the emitter resistance in a common-emitter voltage amplifier is not bypassed, it will
A
reduce both the voltage gain and the input impedance
B
reduce the voltage gain and increase the input impedance
C
increase the voltage gain and reduce the input impedance
D
increase both the voltage gain and the input impedance
4
GATE ECE 2014 Set 3
Numerical
+1
-0
In the circuit shown, the PNP transistor has $$\left|{\mathrm V}_\mathrm{BE}\right|=0.7\;\mathrm V$$ and β = 50. Assume that RB = 100 kΩ. For V0 to be 5 V, the value of RC ( in kΩ) is _____________. GATE ECE 2014 Set 3 Analog Circuits - Bipolar Junction Transistor Question 50 English
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