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

What is the current in the following junction diode circuit?

MHT CET 2024 15th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 7 English

A
$10^{-1} \mathrm{~A}$
B
zero
C
$10^{-2} \mathrm{~A}$
D
$5 \times 10^{-3} \mathrm{~A}$
2
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A p-n junction diode as a rectifier converts

A
a.c. to d.c.
B
d.c. to a.c.
C
high voltage to low voltage.
D
low voltage to high voltage.
3
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'
4
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.
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