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

The main difference in the working of a step-up transformer and CE amplifier is

A

the transformer decreases the power whereas the amplifier keeps the power constant.

B

the transformer increases the power whereas the amplifier decreases the power.

C

the amplifier increases the power but the transformer can not increase the power.

D

the amplifier decreases the power but the transformer keeps the power constant.

2
MHT CET (PCB) 2025 9th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle of mass 0.02 kg executes S.H.M. about $\mathrm{x}=0$ under the influence of a force as shown in figure. The period of S.H.M. is

MHT CET (PCB) 2025 9th April Evening Shift Physics - Simple Harmonic Motion Question 1 English
A

$\frac{\pi}{5} \mathrm{~s}$

B

$\frac{\pi}{10} \mathrm{~s}$

C

$\pi \mathrm{s}$

D

$\frac{\pi}{20} \mathrm{~s}$

3
MHT CET (PCB) 2025 9th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

The current $I$ is flowing through a loop $A B C D A$ as shown in the figure. The magnitude of the magnetic field at the centre ' $O$ ' is $x$ times

$$ \left(\frac{\mu_0 \mathrm{I}}{\mathrm{R}}\right)\left(\mathrm{OD}=\mathrm{R}, \mathrm{DC}=\mathrm{R}, \angle \mathrm{AOD}=90^{\circ}\right) $$

The value of ' $x$ ' is ( $\mu_0=$ permeability of free space)

MHT CET (PCB) 2025 9th April Evening Shift Physics - Moving Charges and Magnetism Question 1 English
A

$\frac{5}{16}$

B

$\frac{5}{12}$

C

$\frac{7}{16}$

D

$\frac{7}{12}$

4
MHT CET (PCB) 2025 9th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

At what angle should the two forces $2 \overrightarrow{\mathrm{P}}$ and $\sqrt{2} \overrightarrow{\mathrm{P}}$ act so that the resultant force is $\sqrt{10} \overrightarrow{\mathrm{P}}$ ?

A

$\cos ^{-1}\left(\frac{1}{\sqrt{2}}\right)$

B

$\cos ^{-1}\left(\frac{1}{2}\right)$

C

$\cos ^{-1}\left(\frac{\sqrt{3}}{2}\right)$

D

$\cos ^{-1}\left(\frac{1}{\sqrt{3}}\right)$