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1
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

In unbiased p-n junction diode

A
the potential is same everywhere.
B
there is an electric field at the junction directed from the p -type side to the n -type side.
C
there is an electric field at the junction directed from the $n$-type side to $p$-type side.
D
the p-type side is at higher potential than the n-type side.
2
MHT CET 2025 19th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a transistor amplifier, AC current gain is 64 , the load resistance is $5400 \Omega$ and the input resistance of the transistor is $540 \Omega$. The voltage gain is

A
540
B
600
C
640
D
6400
3
MHT CET 2025 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
In the depletion layer of reverse biased p-n junction, the
A
electric field is very small.
B
potential is maximum.
C
electric field is maximum.
D
potential is zero.
4
MHT CET 2025 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
For a common emitter transistor, if $\frac{I_{\mathrm{C}}}{I_{\mathrm{E}}}=0.95$, then the current gain is
A
47.5
B
44
C
19
D
15
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