1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
In an a.c. circuit $I=50 \sin 100 \pi t$. The time required for the current to achieve its peak value will be
A

$\frac{1}{50} \mathrm{~s}$

B

$\frac{1}{100} \mathrm{~s}$

C

$\frac{1}{200} \mathrm{~s}$

D

$\frac{1}{400} \mathrm{~s}$

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

A capacitor of capacitance ' C ' is connected across a.c. source of voltage V as $\mathrm{V}=\mathrm{V}_0 \sin \omega \mathrm{t}$. The displacement current between the plates of the capacitor would be

A

$V_0 \omega C \cos \omega t$

B

$\frac{V_0}{\omega C} \sin \omega t$

C

$\frac{V_0}{\omega C} \cos \omega t$

D

$\mathrm{V}_0 \omega \mathrm{C} \sin \omega \mathrm{t}$

3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

A resistor of $400 \Omega$, an inductance of 0.4 H are in series with an a.c. source of e.m.f. $\mathrm{E}=200 \sqrt{2} \sin (1000 \mathrm{t})$. The power factor of the circuit is

A
0.4
B
0.5
C
$\frac{1}{\sqrt{2}}$
D
$\frac{1}{\sqrt{3}}$
4
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the series LCR circuit shown in figure, the impedance is

MHT CET (PCB) 2024 22th April Evening Shift Physics - Alternating Current Question 7 English
A
$300 \Omega$
B
$500 \Omega$
C
$700 \Omega$
D
$900 \Omega$

MHT CET (Biology) Subjects

Browse all chapters by subject