Electrostatics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 43 - 47 of 109

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Question number: 43

» Electrostatics » Electrostatic Potential Energy

MCQ▾

Question

Three charges of equal value q’ are placed at the vertices of an equilateral triangle. What is the net potential energy, if the side of equilateral triangle is l?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 44

» Electrostatics » Coulomb's Law

MCQ▾

Question

A total charge Q is broken in two parts Q 1 and Q 2 and they are placed at a distance R from each other. The maximum force of repulsion between them will occur, when

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Choice (4) Response

a.

b.

c.

d.

Question number: 45

» Electrostatics » Capacitors

MCQ▾

Question

Separation between the plates of a parallel plate capacitor is d and the area of each plate is A. When a slab of material of dielectric constant k and thickness t (t < d) is introduced between the plates, its capacitance becomes

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Choice (4) Response

a.

b.

c.

d.

Question number: 46

» Electrostatics » Coulomb's Law

MCQ▾

Question

Equal charges q are placed at the four corners A, B, C, D of a square of length a. The magnitude of the force on the charge at B will be

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Choice (4) Response

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b.

c.

d.

Passage

An electric dipole (AB) consisting of two particles of equal and opposite charge and same mass is released in an electric field. In the figure field lines are without considering effect of field of dipole.

Dipole in electric field

Dipole in Electric Field

An electric dipole (AB) consisting of two particles of equal and opposite charge and same mass is released in an electric field

Question number: 47 (1 of 2 Based on Passage) Show Passage

» Electrostatics » Electric Dipole

MCQ▾

Question

The center of mass of the dipole

Choices

Choice (4) Response

a.

Has acceleration with positive x and y components

b.

Has no acceleration

c.

Has acceleration with negative x component and positive y component

d.

Has acceleration with positive x component and negative y component

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