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

In a circuit shown, if $10 \Omega$ resistor is replaced by $20 \Omega$, then the current drawn from the battery is

MHT CET (PCB) 2025 9th April Evening Shift Physics - Current Electricity Question 1 English
A

10 A

B

4 A

C

2 A

D

8 A

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

A uniform metal wire has length ' $L$ ', mass ' $M$ ' and area of cross-section ' A '. It is under tension ' $T$ ' and ' $V$ ' is the speed of transverse wave along the wire. The density of the wire is

A

$\quad \mathrm{TV}^2 \mathrm{~A}$

B

$\frac{\mathrm{T}}{\mathrm{V}^2 \mathrm{~A}}$

C

$\frac{\mathrm{A}}{\mathrm{TV}^2}$

D

$\frac{\mathrm{V}^2}{\mathrm{AT}}$

3
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.

4
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

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