1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The order of (a) transformer (b) diode rectifier (c) filter (d) voltage regulator in a block diagram of simple rectifier circuit is as

(a) b, d, c, a

(b) a, c, d, b

(c) a, b, c, d

(d) d, c, a, b

A

d

B

a

C

c

D

b

2
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
For a transistor, the current amplification factor ' $\alpha$ ' is 0.8 . The transistor is then connected in common emitter configuration. The change in the collector current when the base current changes by 6 mA is
A
6 mA
B
4.8 mA
C
24 mA
D
8 mA
3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

By increasing the temperature, the electrical conductivity of a conductor and a semiconductor,

A
increases for both
B
decreases for both
C
increases and decreases respectively
D
decreases and increases respectively
4
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
To get an output $\mathrm{Y}=1$ in the given logic circuit, the correct choice for the input isMHT CET (PCB) 2024 22th April Evening Shift Physics - Semiconductor Devices and Logic Gates Question 7 English
A
$\mathrm{A}=1, \mathrm{~B}=1, \mathrm{C}=1$
B
$\mathrm{A}=1, \mathrm{~B}=1, \mathrm{C}=0$
C
$\mathrm{A}=1, \mathrm{~B}=0, \mathrm{C}=1$
D
$A=0, B=1, C=1$

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