Electrostatics-Electric Potential (NEET Physics): Questions 16 - 19 of 25

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Question number: 16

» Electrostatics » Electric Potential

MCQ▾

Question

Ten electrons are equally spaced and fixed around a circle of radius R. Relative to V = 0 at infinity, the electrostatic potential V and the electric field E at the center C are

Choices

Choice (4) Response

a.

V ≠ 0 and E=0

b.

V = 0 and E0

c.

V = 0 and E=0

d.

V ≠ 0 and E0

Question number: 17

» Electrostatics » Electric Potential

MCQ▾

Question

A proton moves a distance d in a uniform electric field if as shown in the figure. Then which of the following statements are correct?

Proton and its direction

Proton and Its Direction

A proton moves a distance d in a uniform electric field is shown in figure

  1. Electric field do a negative work on the proton
  2. Electric potential energy of the proton increases
  3. Electric field do a positive work on the proton
  4. Electric potential energy of the proton decreases

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1 and 2

b.

1 and 3

c.

1, 2 and 3

d.

1 and 4

Question number: 18

» Electrostatics » Electric Potential

MCQ▾

Question

In a hydrogen atom, the electron revolves around the nucleus in an orbit of radius 0.53 x 10 -10 m. Then the electrical potential produced by the nucleus at the position of the electron is

Choices

Choice (4) Response

a.

-27.2V

b.

27.2V

c.

13.6V

d.

-13.6V

Question number: 19

» Electrostatics » Electric Potential

MCQ▾

Question

The distance between H + and CI - ions in HCl molecule is 1.28. What will be the potential due to this dipole at a distance of 12 on the axis of dipole?

Choices

Choice (4) Response

a.

13 V

b.

130 V

c.

1.3 V

d.

0.13 V

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