1
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
For an n-channel enhancement type MOSFET, if the source is connected at a higher potential than that of the bulk (i.e. VSB > 0), the threshold voltage VT of the MOSFET will
A
remain unchanged
B
decrease
C
change polarity
D
increase
2
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
When the gate-to-source voltage (VGS) of a MOSFET with threshold voltage of 400 mV, working in saturation is 900 mV, the drain current is observed to be 1 mA. Neglecting the channel width modulation effect and assuming that the MOSFET is operating at saturation, the drain current for an applied VGS of 1400 mV is
A
0.5 mA
B
2.0 mA
C
3.5 mA
D
4.0 mA
3
GATE ECE 2003
MCQ (Single Correct Answer)
+1
-0.3
The laplace transform of $$i(t)$$ is given by
$$I\left( s \right) = {2 \over {s\left( {1 + s} \right)}}$$ As $$t \to \infty ,$$ the value of $$i(t)$$ tends to __________.
A
$$0$$
B
$$1$$
C
$$2$$
D
$$\infty $$
4
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
In an 8085 microprocessor, the instruction CMP B has been executed while the content of the accumulator is less than that of register B. As a result
A
Carry flag will be set but Zero flag will be reset
B
Carry flag will be reset but Zero flag will be set
C
Both Carry flag and Zero flag will be reset
D
Both Carry flag and Zero flag will be set
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