1
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the electric field due to a charge $$Q$$, a charge $$q$$ moves from point $$A$$ to $$B$$. The work done is ( $$\varepsilon_0=$$ permittivity of vacuum)

MHT CET 2023 13th May Evening Shift Physics - Electrostatics Question 68 English

A
$$\frac{1}{4 \pi \varepsilon_0} \frac{Q q}{r^2}$$
B
$$\frac{1}{4 \pi \varepsilon_0} \frac{Q q}{r} \times \frac{\pi}{6}$$
C
$$\frac{1}{4 \pi \varepsilon_0} \frac{Q q}{r}$$
D
Zero
2
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+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.
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+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
$$\mathrm{1: 1}$$
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+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
$$1: \sqrt[3]{2}$$
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