Electrostatics-Electrostatic Potential Energy (NEET Physics): Questions 14 - 17 of 17

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Question number: 14

» Electrostatics » Electrostatic Potential Energy

MCQ▾

Question

Three charges Q , +q and +q are placed at the vertices of right-angled isosceles triangle as shown in the figure. The net electrostatic energy of the configuration is zero if Q is equal to

Right-angled isosceles triangle with 3 charges

Right-Angled Isosceles Triangle With 3 Charges

Q, +q, and + q charges placed at the vertices of right-angled isosceles triangle.

Choices

Choice (4) Response

a.

2q2+21

b.

2q2+2

c.

2q

d.

q1+2

Question number: 15

» Electrostatics » Electrostatic Potential Energy

MCQ▾

Question

In bringing an electron towards another electron, electrostatic potential energy of the system:

Choices

Choice (4) Response

a.

Increases

b.

Remains unchanged

c.

Decreases

d.

Becomes zero

Question number: 16

» Electrostatics » Electrostatic Potential Energy

MCQ▾

Question

A positive charge is moved from a low potential point A to high potential point B. Then the electric potential energy of the system

Choices

Choice (4) Response

a.

Nothing definite can be predicted

b.

Increases

c.

Decreases

d.

Will remain the same

Question number: 17

» Electrostatics » Electrostatic Potential Energy

MCQ▾

Question

If V and u are electric potential and energy density, respectively, at a distance r from a positive point charge, then which of the following graph is correct?

Choices

Choice (4) Response

a.

Option A graph of V2→u

Option a Graph of V2→U

figure shows that the graph of V2→u is not linear

b.

 Option B graph of V2→u

Option B Graph of V2→U

figure shows that the graph of V2→u is not linear

c.

Option C graph of V2→u

Option C Graph of V2→U

Figure shows that the graph of V2→u is lenear and it pass though origin.

d.

Option D graph of V2→u

Option D Graph of V2→U

Figure shows that the graph of V2→u is linear sloping downwards

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