1
JEE Main 2025 (Online) 23rd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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The electric flux is $\phi=\alpha \sigma+\beta \lambda$ where $\lambda$ and $\sigma$ are linear and surface charge density, respectively. $\left(\frac{\alpha}{\beta}\right)$ represents

A
displacement
B
charge
C
electric field
D
area
2
JEE Main 2025 (Online) 22nd January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For a short dipole placed at origin O , the dipole moment P is along $x$-axis, as shown in the figure. If the electric potential and electric field at $A$ are $V_0$ and $E_0$, respectively, then the correct combination of the electric potential and electric field, respectively, at point B on the $y$-axis is given by

JEE Main 2025 (Online) 22nd January Evening Shift Physics - Electrostatics Question 31 English

A
$\frac{V_0}{2}$ and $\frac{E_0}{16}$
B
zero and $\frac{E_0}{8}$
C
$\mathrm{V}_0$ and $\frac{\mathrm{E}_0}{4}$
D
zero and $\frac{E_0}{16}$
3
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A line charge of length $\frac{\mathrm{a}}{2}$ is kept at the center of an edge $B C$ of a cube ABCDEFGH having edge length ' $a$ ' as shown in the figure. If the density of line charge is $\lambda \mathrm{C}$ per unit length, then the total electric flux through all the faces of the cube will be ___________ . (Take, $\epsilon_0$ as the free space permittivity)

JEE Main 2025 (Online) 22nd January Morning Shift Physics - Electrostatics Question 33 English

A
$\frac{\lambda a}{2 \epsilon_0}$
B
$\frac{\lambda \mathrm{a}}{8 \epsilon_0}$
C
$\frac{\lambda \mathrm{a}}{4 \epsilon_0}$
D
$\frac{\lambda \mathrm{a}}{16 \epsilon_0}$
4
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Five charges $$+q,+5 q,-2 q,+3 q$$ and $$-4 q$$ are situated as shown in the figure. The electric flux due to this configuration through the surface $$S$$ is :

JEE Main 2024 (Online) 9th April Evening Shift Physics - Electrostatics Question 52 English

A
$$\frac{q}{\epsilon_0}$$
B
$$\frac{3 q}{\epsilon_0}$$
C
$$\frac{5 q}{\epsilon_0}$$
D
$$\frac{4 q}{\epsilon_0}$$
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