1
GATE EE 2005
+1
-0.3
Assume that the $$N$$-channel $$MOSFET$$ shown in figure is ideal, and that its threshold voltage is The voltage $${\rm I}V,$$ the voltage $${{V_{ab}}}$$ between nodes $$'a'$$ and $$'b'$$ is A
$$5V$$
B
$$2V$$
C
$$1V$$
D
$$0V$$
2
GATE EE 2004
+1
-0.3
Two perfectly matched silicon transistors are connected as shown in figure. The value of the current $${\rm I}$$ is A
$$0$$ mA
B
$$2.3$$ mA
C
$$4.3$$ mA
D
$$7.3$$ mA
3
GATE EE 2004
+1
-0.3
A bipolar junction transistor (BJT) is used as a power control switch by biasing it in the cutoff region (OFF state) or in the saturation region (ON state). In the ON state, for the BJT
A
both the base-emitter and base-collector junctions are reverse biased
B
the base-emitter junctions is reverse biased, and the base-collector junction is forward biased
C
the base-emitter junction is forward biased, and the base-collector junction is reverse biased
D
both the base-emitter and base-collector junctions are forward biased
4
GATE EE 2003
+1
-0.3
In the circuit of figure shown, assume that the transistor has $${h_{fe}} = 99$$ and $${V_{BE}} = 0.7V.$$
The value of collector current $${{\rm I}_C}$$ of the transistor is approximately A
$$\left[ {3.3/3.3} \right]\,mA$$
B
$$\left[ {3.3/\left( {3.3 + 0.33} \right)} \right]\,mA$$
C
$$\left[ {3.3/33} \right]\,mA$$
D
$$\left[ {3.3/\left( {33 + 33} \right)} \right]\,mA$$
GATE EE Subjects
Electric Circuits
Electromagnetic Fields
Signals and Systems
Electrical Machines
Engineering Mathematics
General Aptitude
Power System Analysis
Electrical and Electronics Measurement
Analog Electronics
Control Systems
Power Electronics
Digital Electronics
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