1
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
For a BJT the common base current gain $$\alpha$$ = 0.98 and the collector base junction reverse bias saturation current ICO = 0.6μA. This BJT is connected in the common emitter mode and operated in the active region with a base drive current IB=20μA. The collector current IC for this mode of operation is
A
0.98mA
B
0.99mA
C
1.0mA
D
1.01mA
2
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
If the transistor in Figure is in saturation, then GATE ECE 2002 Electronic Devices and VLSI - BJT and FET Question 22 English
A
IC is always equal to bdcIB
B
IC is always equal to -bdcIB
C
IC is greater than or equal to bdcIB
D
IC is less than bdcIB
3
GATE ECE 2001
MCQ (Single Correct Answer)
+1
-0.3
MOSFET can be used as a
A
Current controlled capacitor
B
Voltage controlled capacitor
C
Current controlled inductor
D
Voltage controlled inductor
4
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
A BJT is said to be operating in the saturation region if
A
both the junctions are reverse biased
B
base-emitter junction is reverse biased and base-collector junction is forward biased.
C
base-emitter junction is forward biased and base-collector junction reverse biased
D
both the junctions are forward biased

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