1
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+2
-0

The volume of tetrahedron with co-terminus edges $\bar{a}, \bar{b}, \bar{c}$ is $\frac{64}{3}$ cubic units, then volume of parallelopiped considering co-terminus edges given by the vectors $\bar{a}+\bar{b}, \bar{b}+\bar{c}, \bar{c}+\bar{a}$ is _________ cubic units.

A

384

B

$\frac{128}{3}$

C

256

D

$\frac{32}{3}$

2
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a common emitter transistor amplifier circuit, the input resistance is $1.8 \mathrm{k} \Omega$ and output is obtained across a load resistance of $9 \mathrm{k} \Omega$. The alternating current gain is 70 . Corresponding to an a.c. input voltage of 6 mV , the output voltage will be

A
0.7 V
B
1.4 V
C
2.1 V
D
4.2 V
3
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
When a resistance of $100 \Omega$ is connected in series with a galvanometer of resistance ' G ', its range is ' $V$ '. To double its range, a resistance of $1000 \Omega$ is connected in series. The value of ' $G$ ' is
A
$400 \Omega$
B
$800 \Omega$
C
$1000 \Omega$
D
$1200 \Omega$
4
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In case of free expansion, which one of the following statements is WRONG?

A
It is an instantaneous change.
B
The system is not in thermodynamic equilibrium.
C
Free expansion can be plotted on a P-V diagram.
D
It is an uncontrolled change.

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