1
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two different logic gates giving output ' 1 ' for the inputs $(1,0)$ and then for $(0,1)$ are

A
'AND', 'OR'
B
'OR', 'NOR'
C
'NAND', 'NOR'
D
'NAND', 'OR'
2
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In an extrinsic n-type semiconductor, the free electrons donated by the impurity atoms occupy energy levels in

A
the conduction band.
B
the valance band.
C
the band gap and are close to conduction band.
D
the band gap and are close to valance band.
3
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

For a transistor, current gain $(\beta)=50$. To change the collector current by $350 \mu \mathrm{~A}$, the base current should be changed by

A
$\left(\frac{50}{350}\right) \mu \mathrm{A}$
B
$(350-50) \mu \mathrm{A}$
C
$(350+50) \mu \mathrm{A}$
D
$\left(\frac{350}{50}\right) \mu \mathrm{A}$
4
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

When n-p-n junction transistor is used as an amplifier in common emitter mode,

A
the input impedance is high and the output impedance is low.
B
the base emitter junction is reverse biased.
C
input signal is applied between the base and emitter and output is obtained between collector and emitter.
D
the input voltage and output voltage are in phase.
MHT CET Subjects
EXAM MAP