1
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

An alternating voltage of amplitude $$40 \mathrm{~V}$$ and frequency $$4 \mathrm{~kHz}$$ is applied directly across the capacitor of $$12 \mu \mathrm{F}$$. The maximum displacement current between the plates of the capacitor is nearly :

A
10 A
B
8 A
C
13 A
D
12 A
2
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Ratio of radius of gyration of a hollow sphere to that of a solid cylinder of equal mass, for moment of Inertia about their diameter axis $$A B$$ as shown in figure is $$\sqrt{8 / x}$$. The value of $$x$$ is :

JEE Main 2024 (Online) 5th April Morning Shift Physics - Rotational Motion Question 29 English

A
34
B
51
C
67
D
17
3
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In hydrogen like system the ratio of coulombian force and gravitational force between an electron and a proton is in the order of :

A
1019
B
1039
C
1029
D
1036
4
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A simple pendulum doing small oscillations at a place $$R$$ height above earth surface has time period of $$T_1=4 \mathrm{~s}$$. $$\mathrm{T}_2$$ would be it's time period if it is brought to a point which is at a height $$2 \mathrm{R}$$ from earth surface. Choose the correct relation [$$\mathrm{R}=$$ radius of earth] :

A
$$3 \mathrm{~T}_1=2 \mathrm{~T}_2$$
B
$$\mathrm{T}_1=\mathrm{T}_2$$
C
$$2 \mathrm{~T}_1=3 \mathrm{~T}_2$$
D
$$2 \mathrm{~T}_1=\mathrm{T}_2$$
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