1
MHT CET 2023 13th May Morning Shift
+1
-0

Which of the following statements is 'WRONG' for the conductors?

A
In static situation, the interior of conductor can have no charge.
B
The net electrostatic field is zero in the interior of a conductor.
C
The electrostatic field just outside the surface of charged conductor must be tangential to the surface at any point.
D
The electrostatic potential is constant within and on the surface of a conductor.
2
MHT CET 2023 13th May Morning Shift
+1
-0

A charged spherical conductor of radius '$$R$$' is connected momentarily to another uncharged spherical conductor of radius '$$r$$' by means of a thin conducting wire, then the ratio of the surface charge density of the first to the second conductor is

A
$$\mathrm{R}: \mathrm{r}^2$$
B
$$\mathrm{R}: \mathrm{r}$$
C
$$\mathrm{r: R}$$
D
$$\mathrm{1: 1}$$
3
MHT CET 2023 13th May Morning Shift
+1
-0

If the magnitude of intensity of electric field at a distance '$$r_1$$' on an axial line and at a distance '$$r_2$$' on an equatorial line due to a given short dipole are equal, then $$r_1: r_2$$, is

A
$$\sqrt[3]{2}: 1$$
B
$$\sqrt{2}: 1$$
C
$$1: 2$$
D
$$1: \sqrt[3]{2}$$
4
MHT CET 2023 13th May Morning Shift
+1
-0

Three charges each of value $$+q$$ are placed at the corners of an isosceles triangle $$\mathrm{ABC}$$ of sides $$\mathrm{AB}$$ and $$\mathrm{AC}$$ each equal to $$2 \mathrm{a}$$. The mid points of $$A B$$ and $$A C$$ are $$D$$ and $$E$$ respectively. The work done in taking a charge $$Q$$ from $$D$$ to $$E$$ is ( $$\varepsilon_0=$$ permittivity of free space)

A
Zero
B
$$\frac{3 q \mathrm{Q}}{4 \pi \varepsilon_0 \mathrm{a}}$$
C
$$\frac{\mathrm{qQ}}{8 \pi \varepsilon_0 \mathrm{a}}$$
D
$$\frac{3 \mathrm{qQ}}{8 \pi \varepsilon_0 \mathrm{a}}$$
EXAM MAP
Medical
NEET