COMEDK 2025 Afternoon Shift | Electrostatics Question 8 | Physics

The graph shows the variation of the electric field intensity with distance from the centre of a uniformly charged non conducting solid sphere of radius R.

The graph shows the variation of the electric field intensity with distance from the centre of a uniformly charged conducting solid sphere of radius R.

The graph shows the variation of the electric field intensity with distance from the centre of a uniformly charged non conducting cylinder of radius R.

COMEDK 2025 Afternoon Shift

MCQ (Single Correct Answer)

-0

What is the dimensional formula for electric flux?

$\left[\mathrm{M}^1 \mathrm{~L}^3 \mathrm{~T}^{-2} \mathrm{~A}^{-1}\right]$

$\left[\mathrm{M}^2 \mathrm{~L}^3 \mathrm{~T}^{-3} \mathrm{~A}^{-1}\right]$

$\left[\mathrm{M}^1 \mathrm{~L}^2 \mathrm{~T}^{-3} \mathrm{~A}^{-1}\right]$

$\left[\mathrm{M}^1 \mathrm{~L}^3 \mathrm{~T}^{-3} \mathrm{~A}^{-1}\right]$

COMEDK 2025 Afternoon Shift

MCQ (Single Correct Answer)

-0

When a metallic spherical shell of radius 20 cm is charged, the potential on its surface is found to be 5 V . The potential at a point 10 cm from the centre of the spherical shell is :

10 V

2.5 V

1.25 V

5 V

COMEDK 2025 Morning Shift

MCQ (Single Correct Answer)

-0

Point charges $-3 Q,-q, 2 q$ and $2 Q$ are placed, one at each corner of a square. The relation between Q and q for which the potential at the centre of the square is zero is

$Q=\frac{1}{q}$

$Q=-q$

$Q=\frac{-1}{q}$

$Q=q$

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