1
JEE Main 2023 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material is

A
to bring the coil to rest quickly
B
to produce large deflecting torque on the coil
C
to oscillate the coil in magnetic field for longer period of time
D
to make the magnetic field radial
2
JEE Main 2023 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I: If $$\mathrm{E}$$ be the total energy of a satellite moving around the earth, then its potential energy will be $$\frac{E}{2}$$.

Statement II: The kinetic energy of a satellite revolving in an orbit is equal to the half the magnitude of total energy $$\mathrm{E}$$.

In the light of the above statements, choose the most appropriate answer from the options given below

A
Both Statement I and Statement II are incorrect
B
Statement I is incorrect but Statement II is correct
C
Statement I is correct but Statement II is incorrect
D
Both Statement I and Statement II are correct
3
JEE Main 2023 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Dimension of $$\frac{1}{\mu_{0} \in_{0}}$$ should be equal to

A
$$\mathrm{T}^{2} / \mathrm{L}^{2}$$
B
$$\mathrm{T} / \mathrm{L}$$
C
$$\mathrm{L}^{2} / \mathrm{T}^{2}$$
D
$$\mathrm{L} / \mathrm{T}$$
4
JEE Main 2023 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Graphical variation of electric field due to a uniformly charged insulating solid sphere of radius $$\mathrm{R}$$, with distance $$r$$ from the centre O is represented by:

JEE Main 2023 (Online) 8th April Morning Shift Physics - Electrostatics Question 20 English

A
JEE Main 2023 (Online) 8th April Morning Shift Physics - Electrostatics Question 20 English Option 1
B
JEE Main 2023 (Online) 8th April Morning Shift Physics - Electrostatics Question 20 English Option 2
C
JEE Main 2023 (Online) 8th April Morning Shift Physics - Electrostatics Question 20 English Option 3
D
JEE Main 2023 (Online) 8th April Morning Shift Physics - Electrostatics Question 20 English Option 4
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